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4 IN1 GPS Personal Tracker GPS+SMS+GPRS+VOICE TM3338

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Item Model: TM3338	Brand: OEM	Unit: SETS	Weight: 0.400 kg
Features : GPS+SMS+GPRS+VOICE MULITI FUNCTION

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Item description:
TM3338 Handheld personal Tracker is a personal remote positioning device with built-in GPS and GSM/GPRS modules with compact size. It can transmit the longitude and latitude coordinate to your cell phone by the short message service,then you can find its location on the free Google maps? or any other map software.. 　 You can use these features for protecting and searching children and old persons. Further , you can use it for other security purposes such as asset protection and animal tracking
Features
Built-in high sensitivity SiRFstarIII Chipset and GSM/GPRS module Excellent for fixing the position even at a weak signal status. Work well even in areas with limited sky view like urban canyons . Operating by one key for easy of use High quality, low power consumption ? Portable, compact size ? Build-in GPS personal locator. GSM /SMS communication or GPRS TCP/UDP connection . Works worldwide! Support 4-frequency GSM 900/1800MHZ.(Optional) Compact size, and smaller than one name card. Easy to hide High quality, Very Low power consumption Fast Signal Acquisition Support single location and continuous tracking Support location triggered by tracker Support location triggered by authorized cell phone Support alarm and remote monitor Support quick dialing buttons for 2 preset phone numbers Support check location by SMS and Internet Monitors can track the person without interfering him, LIVE! Real-Time tracking! Locate the locator holder by the mobile phone via SMS (short messaging system). SOS button send out exact location for immediate rescue/action. Geo-fencing to restrict movement to a defined radius. No monthly service charges to be paid to the call center The major technological index of the device are in conformity with the international standard of GSM mobile phone

Specification
GSM module	Embedded GSM 900/1800 (Not for USA,Canada)
GPS Chipse	Latest GPS SiRF-Star III chipset
GPS Sensitivity	159db
GPS Frequency	L1,1575.42MHz
C/A Code	1.023MHz chip rate
Channels	20 channel all-in-view tracking
Position Accuracy	10 meters,2D RMS
Velocity Accuracy	0.1 m/s
Time Accuracy	1 us synchronized to GPS time
Ddfault datum	WGS-84
Reacquisition	0.1 sec.,average
Hot start	1 sec,average
Warm start	38sec,average
Cold start	42sec.,average
Altitude Limit	18,000 meters (60,000feet)max.
Velocity Limit	515 meters/second(1000knots)max.
Acceleration Limit	Less than 4g
Jerk Limit	20m/sec
Operating temperature	25°to 65°C
Humidity	5% to 95% Non-condensing
Dimension	95mm46mm18mm
Voltage	Rechargeable 1300 mAh battery(3.7V)
Charging connector	DC 5V
Standby time	Over 60 hours
Packing accessories	1. TOMTOP 3338 2. USB charged cable 3. Charger and car charger 4. Accessory CD

Hardware description
Red LED---indicate charge state	Constant Lighting : Charging OFF: Charging was completed
Green LED--- indicate the GPS signal state	Constant Lighting: Working,but no location Flashing:Working and has located
Blue LED--- indicate the GSM signal state	Don’t Light: No SIM card Flashlight once Interval Eight seconds: GSM receiver work well Flash quickly: Voice calls or In GSM connection
Charging for Battery: Before you use the TOMTOP 3338 persontal tracker,you must FULLY charge the battery at least 3 hours under the power-off condition. Charger state indicate: Red light is on , it indicates that it is in charging. Red light is off , it indicates that charge completed.
Install SIM card
Buy SIM card from local service provider and install sim card as picture 3 above. (note: Please make sure that your SIM card support SMS function and have enough deposit)
Button Function description
Switch button	Turn on / Turn off
Control button	You can assign a phone numbers to the SOS button . when this button is pressed,TOMTOP 3338 will send it`s location information to the phone number by SMS,at the same time,TOMTOP 3338 will dial to the preset phone number.

FAQ

Turn on / Turn off 
Turn on:
When the device is off ,press the power button to on side and wait for about 20 secods. It will enter standby mode. It is suggested that you be a outer place where it can receive the better GPS signal when you turn on the device.
Turn off:
When the device is on , press the button to off side and wait for 3 seconds. When the LEDs go out ,it indicates that the device is turn off for sure.
tips:  How to get better GPS signal:
1 Working outdoor,TOMTOP 3338 can get better GPS signal;
2 The front side of TOMTOP 3338 should be placed toward sky. 
B: Operations based on the SMS application
1． No need platform support ways
 In such a manner,the TOMTOP3338 can store the most 3 groups of telephones in advance and a user password with 4 figures
1.1 Change the instructions about the telephone number in advance
#New numbers with 4-20 Figures # user password ( 4 figures) #Location number (1-3) # #
Eg:#13900000000#0000#1##
Note: After the TOMTOP33 receives this instruction and the user password has correctly identified, Substituting the location number with the new number, After successful it will send the confirmation messages to the sender. (Config OK)
1.2 Open the GPS instruction
222+**** user password( 4 figures)
Eg:2220000
Note: After the TOMTOP3338 receives this instruction and the user password has correctly identified,opening the GPS power, after successful it will send the confirmation messages(GPS ON OK) to the sender.
1.3 Cancel the establishment instruction
333+ user password.( 4 figures)
Eg:3330000
Note: After the TOMTOP33 receives this instruction and the user password has correctly identified, reseting all the functions, after successful it will send the confirmation messages to the sender.(OFF OK)
1.4 send the positional information instruction in fixed time
4 xx + user password( 4 figures)
Eg:4050000
Note: xx：indicate 2 figures from 0 to 9,while “xx <60”,its unit is second. while “xx >60”, its numerical is “xx minus 60” and unit is hour,
In other words,61 is 1 hour,62 is 2 hours, Followed by analogy,after
the TOMTOP33 receives this message and the user password has correctly identified, the Module establishs the current time for initial timing time,
xx is the gap time,and send the confirmation SMS to the sender’s mobile phone.(TIME OK). Then start to time and send the SMS when it arrives the gap time.
The content of the SMS is similar to 1.1.6.
Attention: If the fixed time is established, opening or closing the cell phone will has no affect to it. Readd the electricity when the machine’s power outage.and the original function when it sends 4xx also can be reserved. In addition,it will recomput the time according to the time of opening the mobile phone. Rely on sending 333+ password to cancel this function.
1.5 set up the number of returning to the base station
55X+ user password(4 figures)
Eg:5530000  
Note: “x” is the number of the replying machine station’s number, the numerical scope is from 0 to 7 .when “x=0”,send the messages without the information of the base station.Reply the information which has confirmed after interposing successfully:(the object is the mobile phone of sending the establishment).comfirm the content of the SMS is “set ok”.The set of the module’s initial numberical is “0” if without special requirements.
The arrangement about the number of the machine station :The first is the main engine station number, According to the size of the magnetic field’s strength to arrange the number of the neighboring machine.
If when “the number of the replying machine station” > “the number which is identified by the module”,reply the latter.
If when “the number of the replying machine station” < “the number which is identified by the module”, intercept some machine station with strengther magnetic field to reply.
Separat each number of the machine station with “,”.
1.6 Single localization request instruction
666+ user password( 4 figures)
After the TOMTOP3338 receives this instruction and the user password has correctly identified, it Judges the GPS in opening condition or not.If it is,it will take the GPS data and send the replying machine station which is the set of the original software to the sender.If it isn’t,opening and revicing the GPS data. Together with sending the replying machine station which is the set of the original software to the sender after confirming the data effectively.If you have not received the effective data in 80 seconds.It will send the invalid data with the set of the original software to the sender.then the GPS resumes the original condition.
Effective data format: #The base station’information 1,,,,, The base station’information n# Longitude, Latitude, Speed, Direction#Service Password#Date and Time##
Invalid data format: *The base station’information 1,,,,, The base station’information n*Longitude, Latitude, Speed, Direction*Service Password*Date and Time**
The gap symbol and other data of the format consistent with the previous definition.
Attention:the data in ineffective information isn’t the true information in present,but the localized effective information which the TOMTOP3338 has preserved in the last time ,for your reference only. 
1.7 Establish user password instruction
777+new password(4 figures)+old password(4 figures)
Update password for the new user passwords after confirming the old password.send the information when set successfully,the content is “Change ok”.
1.8 Telephone localization function
One of 3 groups telephones stored in advance call in ,and hang up after ringing 2-5 times.then the TOMTOP3338 will send the location information to this number.
1.9 Automatically answered function
One of 3 groups telephones stored in advance call in, Automatic answer after ringing 6 times.then the TOMTOP3338 will send the location information to this number.
1.10 The function of seeking help on own initiative 
When press the key more than 3 seconds,the TOMTOP3338 will send the location information to 3 groups telephones preserved in advance, at the same time, call the first group number.If Unsuccessful(closed or Unable to connect or No response),call the Group 2 and Group 3 in turn.
2. Based on the SMS services platform way
 Please see the instruction of the sms services platform.
MAP support OPERATIONS
(8.1) Download Google earth software from http://earth.google.com/ 
(8.2) Start the Google Earth software.(For more information about Google Earth software, please refer to http://earth.google.com/)  as following picture shows: (Note: pay attention to change the Position Data Format)Or you can start the Internet Explorer and type http://maps.google.com to connect to Google Map website for displaying the location map. 
(8.3) You can get the latitude & longitude data by sending
“666+Password” SMS command Code to the GPS Tracker TOMTOP 3338. Input the latitude and longitude that you receive from SMS and click on search button,the Google earth will display the location map for you.
(8.4) Or you can use local map software on PDA or Car Navigation Device ,input the Position Data.  Note: pay attention to change the position Data Format.
C:  Application Based GPRS 
All the settings for GPRS are by SMS. Please use your cellular phone to send the following SMS to TOMTOP3338. TOMTOP3338 currently provides 13 commands for setup. You can setup following the instructions shown in this chapter via SMS from a cellular phone. Key the specific SMS message in your cellular phone as the instruction and send it to the SIM number of TOMTOP3338. The setup messages are showed in the following sections
Note1: The default settings are shown as below.
a. Default TOMTOP3338 ID is “TOMTOP3338”, and please read Chapter 5.1 in order to change the ID.
b. Default password is “0000”, and please read Chapter 5.2 in order to change the password.
c. There’s no number in the default contact, and please read Chapter 5.5 in order to add the phone number.
d. Default setting of Auto Report is deactivated, and please read Chapter 5.6 in order to setup the auto regular report.
Note2: Before doing any setup, please ensure TOMTOP3338 is connected with the GSM network. The red LED must Flashlight once Interval Eight seconds. 
Note3: While you are keying in any setup message, note that NO space is allowed between the characters in the SMS. Characters can be letters, commas or any signs.
Note4: Any setup message must be started with a “#” sign and ended up with a “##” sign.
Note5: Only when the password, username and setup message are correct, the TOMTOP3338 will update information according to user’s definition. If the command is not valid, a failure report is going to be sent to the commander cell phone.
10.1 Setup
10.1.1. Change Username
You can change the ID of TOMTOP3338 by following the format below. No space is allowed between the characters. For example, if you send the SMS message shown in the example below to the TOMTOP3338, you will change the ID from “TOMTOP3338” to “Username”
Setup format： ＃「username」＃「Password」＃「Function Code」＃「New username」＃＃
Example：＃TOMTOP3338＃0000＃1＃Username＃＃
The table 10.1.1.1 describes the meaning of each segment in the message above.
Text Keyed In SMS Description
# Start sign.
username Default ID of TOMTOP3338
0000 Default password. 
If you have changed the password, use the updated one. 
1 Mode 1 defines the ID setup
New username New ID defined by the owner. 
At the maximum of 8 letters.
## End sign.
Table 10.1.1.1
The table 10.1.1.2 shows each confirmation message reply after setup
Setup Succeeds [username] + TOMTOP3338 username is updated. 
Setup Fail [username] + TOMTOP3338 username setup fail!
Incorrect password [Username] + Password setup Fail!
Incorrect username or command format [Username] + command error
TOMTOP3338 is in Emergency Mode [username] + in emergency, changing username is not allowed.
Table 10.1.1.2
 
10.1.2 Change Password
Use this SMS message example seen below to change the password of TOMTOP3338. For example, by following the example below, you will change the default password, “0000” to a new password, “1111”.
Setup format：＃「username」＃「Password」＃「Function Code」＃「new Password」＃「new Password」＃＃
Example：＃username＃0000＃2＃1111＃1111＃＃
The table 10.1.2.1 describes the meaning of each segment in the message above.
Text Keyed In SMS Description
# Start sign.
username  Default ID of TOMTOP3338.
 If you have changed the Username, please use the updated one.
0000  Default password. 
 If you have changed the password, please use the updated one. 
2 Mode 2 defines to change the password
1111 New password 
1111 Reconfirm the password
＃＃ End sign.
Table10.1.2.1
The table 10.1.2.2 shows each confirmation message reply after setup
Situation Message Reply
Setup Succeeds [username] + TOMTOP3338 Password is updated.
Setup Fail [username] + Password setup Fail!
Incorrect password [Username] + Password setup Fail!
Incorrect username or SMS format [Username] + command error
TOMTOP3338is in Emergency Mode [username] + in emergency, changing password is not allowed.
Table10.1.2.2
 
 
10.1.3 Set up the GPRS APN (Access Point Name) 
For uploading the data to a web server, you must have a set of GPRS APN from your GSM network. Various GSM network provides different GPRS APN settings. Please check the referential tables for APN in the Chapter 8 before setup. If you could not find the name of your GSM service provider, please ask your GMS service provider about the APN settings. If the username and password of APN are indefinite or showed in blank, just leave the parameters blank (no space). You can follow the Setup Format below to setup the APN that is provided by your GSM network.
Setup format：＃「username」＃「Password」＃「Function Code」＃「access point name」＃「user」＃「password」＃＃
Example：＃username＃0000＃3＃internet＃user＃password＃＃
The table 10.1.3.1 describes the meaning of each segment in the message above.
Text Keyed In SMS Description
# Start sign.
username  Default ID of TOMTOP3338.
 If you have changed the Username, please use the updated one.
0000  Default password. 
 If you have changed the password, please use the updated one. 
3 Mode 3 defines the APN 
Internet Name of APN 
User Username of APN
Password Password of APN
＃＃ End sign.
Table 10.1.3.1
The table 10.1.3.2 shows each confirmation message reply after setup.
Situation Message Reply
Setup Succeeds [username] + TOMTOP3338 GPRS APN is updated.
Setup Fail [username] + TOMTOP3338 GPRS APN setup Fail!
Incorrect password [Username] + Password setup Fail!
Incorrect username or command format [Username] + command error
TOMTOP3338 is in Emergency Mode [username] + in emergency, GPRS APN setup is not allowed.
Table10.1.3.2
 
10.1.4 Set up a host name of TCP/IP server and port to transmit data 
This command (SMS) instructs the TOMTOP3338 to access a host of TCP/IP server for data transmission. 
  
Setup format：＃「username」＃「Password」＃「Function Code」＃「Fixed IP and port」＃＃
Example：＃username＃0000＃4＃222.125.12.32:80＃＃
  
The table 10.1.4.1 describes the meaning of each segment in the message above.
Text Keyed In SMS Description
# Start sign.
username  Default ID of TOMTOP3338.
 If you have changed the Username, please use the updated one.
0000  Default password. 
 If you have changed the password, please use the updated one. 
4 Mode 4 defines to transmit data to a specific website
222.125.12.32:80 Host IP and port of TCP/IP server.
## End sign.
Table 10.1.4.1
The table 10.1.4.2 is showing each confirmation message reply after setup.
Situation Message Reply
Setup Succeeds [username] + TOMTOP3338 IP is updated.
Setup Fail [username] + IP Fail!
Incorrect password [Username] + Password setup Fail!
Incorrect username or command format [Username] + command error
TOMTOP3338 is in Emergency Mode [username] + in emergency, IP setup is not allowed.
Table 10.1.4.2
 
10.1.5 Set up the phone number list 
Use this SMS message to predefine the cellular numbers (Max. of 3 numbers) by following the format below.
Setup format: #「username」#「Password」#「Function Code」#「PH-01」#「PH-02」#「PH-03」##
Example：
＃username#0000#5#+886123456789#+862234567890#+866323456789##
Note that both adding and not adding the “+ “sign in front of the cellular phone number(s) are both acceptable, while the”+” sign should precede the national code.
The table 10.1.5.1 describes the meaning of each segment in the message above.
Text Keyed In SMS Description
# Start sign.
username  Default ID of TOMTOP3338.
 If you have changed the Username, please use the updated one.
0000  Default password. 
 If you have changed the password, please use the updated one. 
5 Mode 5 defines the changes of the built-in phone number list.
+886123456789 1st cellular numbers, PH-01
+492234567890 2nd cellular numbers, PH-02
+866323456789 3rd cellular numbers, PH-03
## End sign.
Table 10.1.5.1
The table 10.1.5.2 shows each confirmation message reply after setup.
Situation Message Reply
Setup Succeeds [username] +  TOMTOP3338 phone book is updated.
Setup Fail [username] +  TOMTOP3338 phone book setup Fail!
Non-numeric data is input for numbers [username] + Parameter error
Incorrect password [Username] + Password setup Fail!
Incorrect username or command format [Username] + command error
TOMTOP3338 is in Emergency Mode [username] + in emergency, phone book setup is not allowed.
Table 10.1.5.2
Note: The program will overwrite the previous contact list if the users do this setup.
10.1.6 Set up the Auto Report
Use this command to set up the frequency of Auto Report. If you send the SMS according to the example shown below to TOMTOP3338, you will have an Auto Report Message every 300 seconds for 99 messages. Once the loop is done, you can send a SMS message to update/renew, or switching off it in order to renew it.
Note1: You may limit the amount of the Auto reply messages by inputting the digits from 1 to 9998 in the 「times」 field. When you input 9999, the Auto Report Message will not stop unless you define a new Auto Report Setting. 
Setup format：＃「username」#「Password」#「Function Code」#「intervals (sec)」#「total number of report」##
Example1：＃username#0000#6#300#99##
The table 10.1.6.1 describes the meaning of each segment in the message above.
Text Keyed In SMS Description
# Start sign.
username  Default ID of TOMTOP3338.
 If you have changed the Username, please use the updated one.
0000  Default password. 
 If you have changed the password, please use the updated one. 
6 Mode 6 defines to change the intervals and times of sending-back data
300 A constant interval of sending data
99 The amount of messages sent automatically 
## End sign.
Table 10.1.6.1
The table 10.1.6.2 shows each confirmation message reply after setup
Situation Message Reply
Setup Succeeds [username] + Setup OK. TOMTOP3338 Auto Report setting is updated.
Setup Fail [username] + Auto Report setting Setup Fail!
Incorrect password [Username] + Password setup Fail!
Incorrect username or command format [Username] + command error
TOMTOP3338 is in Emergency Mode [username] + in emergency, Auto Report setting is not allowed.
Table 10.1.6.2
 
10.1.7 All parameters reset to default
Use this SMS message to reset TOMTOP3338 to factory default. You can just send the SMS according to the example seen below. It will overwrite all the current parameters to default.
Setup format：＃「username」＃「Password」＃「Function Code」＃＃
Example：＃username＃0000＃9＃＃
  
  The table 10.1.7.1 describes the meaning of each segment in the message above.
Text Keyed In SMS Description
# Start sign.
username  Default ID of TOMTOP3338.
 If you have changed the Username, please use the updated one.
0000  Default password. 
 If you have changed the password, please use the updated one. 
9 Mode 9 defines to change all the parameter to default value
＃＃ End sign.
Table 10.1.7.1
Situation Message Reply
Setup Succeeds [username] + Setup OK. TOMTOP3338 resets to default
Setup Fail [username] + Reset Fail!
Incorrect password [Username] + Password setup Fail!
Incorrect username or command format [Username] + command error
TOMTOP3338 is in Emergency Mode [username] + in emergency, reset to default is not allowed.
The table 10.1.7.2 shows each confirm message reply after setup.
Table 10.1.7.2
 
10.1.8 Acquire the report of current position
You can send the SMS according to the example shown below. It will transmit current data to the web server at once.
Setup format：＃「username」＃「Password」＃「Function Code」＃＃
Example：＃username＃0000＃10＃＃
The table 10.1.8.1 describes the meaning of each segment in the message above.
Text Keyed In SMS Description
# Start sign.
username  Default ID of TOMTOP3338.
 If you have changed the Username, please use the updated one.
0000  Default password. 
 If you have changed the password, please use the updated one. 
10 Mode 10 defines to transmit current data to the web server at once.
＃＃ End sign.
Table 10.1.8.1
Situation Message Reply
Setup Succeeds [username] + Polling OK!
Setup Fail [username] + Polling Fail!
Incorrect password [Username] + Password setup Fail!
Incorrect username or command format [Username] + command error
The table 10.1.8.2 shows each confirm message reply after setup.
Table 10.1.8.2
Note that the message reply shown in Table 10.1.8.2 will only be sent back to cell phone that sent the SMS to do configuration.  The caller’s ID of cellular phone must be activated in order to let the TOMTOP3338 recognize the caller ID and response accordingly.
 
10.1.10 Request Imei code
Imei stands for international mobile equipment identification. We offer you a command to acquire the Imei number from TOMTOP3338 via SMS. Actually, every TOMTOP3338 budget has a different default Imei code. You can send the SMS according to the example shown below to check its imei number so as to register to the web server for tracking.
Setup format：＃「username」＃「Password」＃「Function Code」＃＃
Example：＃username＃0000＃imei＃＃
The table 10.1.9.1 describes the meaning of each segment in the message above.
Text Keyed In SMS Description
# Start sign.
username  Default ID of TOMTOP3338.
 If you have changed the Username, please use the updated one.
0000  Default password. 
 If you have changed the password, please use the updated one. 
imei Mode imei is to inquire for international mobile equipment identification of TOMTOP3338
＃＃ End sign.
Table 10.1.9.1
The table 10.1.9.2 shows each confirmation message reply after setup.
Situation Message Reply
Setup Succeeds [Username] + “,[imei]”
Incorrect password  [Username] + Password setup Fail!
Incorrect username or command format [Username] + command error
Table10.1.9.2
 
10.2 Respond messages
This chapter shows you how to read and understand the different response messages sent from TOMTOP3338. When TOMTOP3338 is in GPRS mode it will upload the data to the assigned host IP and port first. However, if GPRS service is not available, it will send the SMS to the predefined phone number instead. In the case of GPRS-only mode, TOMTOP3338 will only send the data by GPRS no matter there is GPRS service or not. Basically, there’re 7 different situations that trigger the TOMTOP3338 to response its position (Auto Report, Polling, Emergency, Low Power) and are shown in the following pages.
Event Table:
This event table helps you to know what event triggers the response.
Event Descriptions
Auto When the monitor sends a valid Auto Report command to TOMTOP3338, it will send a report including an “Auto” behind each GPRMC sentence.
SOS When the user presses the SOS button, it will send the report including an “SOS” event behind each GPRMC sentence. No configuration is allowed in SOS mode. The SOS mode will only be released by special commands (Master Reset and Off Panic) and switching it off/on.
LP When TOMTOP3338 detects its battery ‘s voltage is lower than certain level, it will send a message to the 1st predefined number. The event is “LP” that means low power. When receive this message, please recharge the wevtrac-4.
POLL When using the SMS to poll the report, the event will be “poll”.
10.2.1 Auto Report
 
10.2.1.1. Uploading Auto data to URL when GPS is fixed
When execute the Auto Report according to the settings with a GPS fixed, TOMTOP3338 will upload the data to your host server. The data format will be like the following.
Format:
imei=IMEI,RMC=GPRMC,AUTO
Example:
imei=351277000000000,RMC= GPRMC,062813.000,A,2233.5408,N,11405.8646,E,0.00,113.02,310807,,,A*68,AUTO
10.2.1.2. Uploading Auto data to host server when GPS is not fixed
Example:
imei=351277000000000,RMC= RMC,062813.000,V,2233.5408,N,11405.8646,E,0.00,113.02,310807,,,A*68,AUTO
Field Descriptions
IMEI The username of TOMTOP3338 that is a unique number.
GPRMC It is a full sentence of GPRMC including the current Lat/Long, UTC and others.
AUTO This is the event triggers the response.
!! Note: 1. When in GPRS mode and there is no GPRS service, the report will be sent to the 1st predefined number. In the mean while, the “IMEI” will be changed to the “Username” and the “Username” is changeable by using SMS command.
2. The “A” is the GPRMC sentence indicates the GPS status, which is GPS fixed. If the GPS is not fixed, letter “V” will substitute the letter “A”.
10.2.2 Emergency Response
When there is GPRS, TOMTOP3338 will upload the data to the host server. If the GPRS is not available, it will send the SMS instead.
10.2.2.1. Uploading Emergency data to host server when GPS is fixed
When there is GPS fixed, send a single SMS to the built-in numbers with the contents like following:
Format:
imei=IMEI,RMC=GPRMC,SOS
Example:
imei=351277000000000,RMC= GPRMC,062813.000,A,2233.5408,N,11405.8646,E,0.00,113.02,310807,,,A*68,SOS
10.2.2.2. Uploading Emergency data to URL/e-mail when GPS is not fixed
When there is GPS fixed, send a single SMS to the built-in numbers with the contents like following:
Example:
imei=351277000000000,RMC= GPRMC,062813.000,V,2233.5408,N,11405.8646,E,0.00,113.02,310807,,,A*68,SOS
Field Descriptions
IMEI The username of TOMTOP3338 that is configurable.
$GPRMC It is a full sentence of $GPRMC including the Lat/Long, UTC and others.
SOS This is the event triggers the response.
!! Note: 1. When in GPRS mode and there is no GPRS service, the report will be sent to the 1st predefined number. In the mean while, the “IMEI” will be changed to the “Username” and the “Username” is changeable by using SMS command.
2. The “A” is the GPRMC sentence indicates the GPS status, which is GPS fixed. If the GPS is not fixed, letter “V” will substitute the letter “A”.
 
10.2.3 Polling Response
10.2.3.1. Uploading Poll data to URL when GPS is fixed
When send an SMS to poll a report with a GPS fixed, TOMTOP3338 will upload a data to your URL. The data format will be like the following.
Format:
imei=IMEI,RMC=GPRMC,POLL
Example:
imei=351277000000000,RMC= GPRMC,062813.000,A,2233.5408,N,11405.8646,E,0.00,113.02,310807,,,A*68,POLL
10.2.3.2. Uploading Poll data to URL when GPS is not fixed
When send an SMS to poll a report without a GPS fixed, TOMTOP3338 will upload the data to your URL. The data format will be like the following.
Example:
imei=351277000000000,RMC= GPRMC,062813.000,V,2233.5408,N,11405.8646,E,0.00,113.02,310807,,,A*68,POLL
Field Descriptions
IMEI The IMEI of TOMTOP3338 that is a unique number.
GPRMC It is a full sentence of GPRMC including the previous Lat/Long, UTC and others.
POLL This is the event triggers the response.
!! Note: 1. When in GPRS mode and there is no GPRS service, the report will be sent to the 1st predefined number. In the mean while, the “IMEI” will be changed to the “Username” and the “Username” is changeable by using SMS command.
2. The “A” is the GPRMC sentence indicates the GPS status, which is GPS fixed. If the GPS is not fixed, letter “V” will substitute the letter “A”.
 
10.2.4 Low-Power Response
10.2.4.1. Uploading Low-Power data to URL when GPS is fixed
When the power is low and there is a GPS fixed, TOMTOP3338 will upload a data to your URL. The data format will be like the following.
Format:
imei =IMEI,RMC=GPRMC,LP
Example:
imei=351277000000000,RMC= GPRMC,062813.000,A,2233.5408,N,11405.8646,E,0.00,113.02,310807,,,A*68,LP
10.2.4.2. Uploading Low-Power data to URL when GPS is not fixed
When the power is low and there is not GPS fixed, TOMTOP3338 will upload the data to your URL. The data format will be like the following.
Example:
imei=351277000000000,RMC= GPRMC,062813.000,V,2233.5408,N,11405.8646,E,0.00,113.02,310807,,,A*68,LP
Field Descriptions
IMEI The IMEI of TOMTOP3338 that is a unique number.
GPRMC It is a full sentence of GPRMC including the previous Lat/Long, UTC and others.
LP This is the event triggers the response.
!! Note: 1. When in GPRS mode and there is no GPRS service, the report will be sent to the 1st predefined number. In the mean while, the “IMEI” will be changed to the “Username” and the “Username” is changeable by using SMS command.
2. The “A” is the GPRMC sentence indicates the GPS status, which is GPS fixed. If the GPS is not fixed, letter “V” will substitute the letter “A”.
 
10.2.5 NMEA 0183 GPRMC Sentence
$GPRMC(out)-UTC,position,course,speed.etc.
Example
SGPRMC .123456.789 .A .3444.1234N .13521.4567,E ,005 6…….. ,12352 ,020197
  Field#            1           2       3  4           5    6           7              8            9
.. *07 CRLF
10     11      12
#. Description                Range
1 UTC Time 
“12”hh                        00-23
“34”mm                      00-59
“56”ss                        00-59
“789”sss                      000-999
2 Status                    A or V  
“A” Date valid(Stand-alone or DGPS)
                             “V” Navigation receiver warning
3-4 Latitude
“34”degree                   00-99
“44”minute(integer)          00-59
“1234”minute(fraction)       0000-9999
“N”North/South              N or S
5-6 Longitude
“135”:degree                 000-180
“21”:Minute(integer)         00-59
“4567”:Minute(fraction)      0000-9999
“E”East/West                 E or W
7.Speed(kts)
Note:A null field is output unless speed information is available
8.True Course(degree)
“123.52”  000.00-359.99
Note:A null field is output unless true courese information is available.
9.UTC:Date
“02”DD                    01-31
“01”:MM                   01-12
“97”:YY                    97-40 (1997-2040)
          
10.Magnetic Deviation(degree)
“ ”              SiRF Technology Inc,does not support magnetic declination
                W or E
                “W”:West(MAG=TRUE-DEV)
                “E”:East(MAG=TRUE+EDV)
11.Checksum
8 bits data between “$”and “*” (excluding “$” and “*”) are XORed,and the result is converted to 2 bytes of hexadecimal letters.Only RMC sentences are transmitted with checksum.All other output sentences do not include checksum fields

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