1. Introduction
The Heytrack GPS Vehicle Tracker is an advanced and intelligent device designed for real-time vehicle tracking and management. Featuring compact size, ease of installation, and convenient usage, it is suitable for a wide range of applications including fleet management, car rental, public transportation, and logistics.
The device obtains location information through GPS, BDS, or GLONASS (collectively referred to as GNSS). It uploads data to a back-end cloud server via the GSM mobile network. Users can access positioning data, alarms, and reports through a web platform or mobile app anytime, anywhere. The device also supports sending commands for remote operations.
2. Specifications
2.1 MV208 (2G Tracker) Specifications
| Category | Parameter | Value |
|---|---|---|
| GNSS | Positioning system | GPS+BDS+LBS+AGPS |
| Frequency | L1 | |
| Positioning accuracy | <2.5M CEP | |
| Tracking sensitivity | -162 dBm | |
| Acquisition sensitivity | -148 dBm | |
| TTFF (open sky) | Avg. hot start ≤ 1s, Avg. cold start ≤ 32s | |
| Cellular | Communication network | GSM |
| Frequency | 850/900/1800/1900MHZ | |
| Power | Battery | 450mAh/3.7V Industrial grade lithium polymer battery |
| Input voltage | 9-36VDC | |
| Interface | LED indication | GNSS(Blue), Cellular(Green), Power(Red) |
| SIM | Micro SIM | |
| Digital inputs | ACC, SOS, Mic | |
| Digital outputs | Relay | |
| Physical specification | Dimensions | 99*54*22mm |
| Weight | g (Note: The weight value is missing in the source, typically around 80g for similar devices) | |
| Operating environment | Operating temperature | -20 °C to +70 °C |
| Operating humidity | 5% to 95%, non-condensing | |
| IP Rating | IP65 | |
| Feature | Sensors | Accelerometer, Light sensor |
| Supported events | Moving, Over-speed, Geo-fence, Low battery, Power-off, ACC detection, Tamper, Vibration, Voice monitoring, etc. | |
| Driving behavior analysis | Harsh acceleration, Harsh braking, Harsh cornering, Collision | |
2.2 MV406 (4G Tracker) Specifications
| Category | Parameter | Value |
|---|---|---|
| GNSS | Positioning system | GPS+BDS+LBS+AGPS |
| Frequency | L1 | |
| Positioning accuracy | <2M CEP | |
| Cellular | Communication network | LTE/GSM |
| Frequency | MV406-Eurasian Version: FDD-LTE: B1/B3/B5/B7/B8/B20/B28, TDD-LTE: B38/B40/B41, GSM: B2/B3/B5/B8 MV406-Latin American Version: FDD-LTE: B2/B3/B4/B5/B7/B8/B28/B66, GSM: B2/B3/B5/B8 | |
| Power | Battery | 450mAh/3.7V industrial-grade Li-Polymer battery |
| Input voltage | 9-100V DC | |
| Interface | LED indication | GNSS(Blue), Cellular(Green), Power(Red) |
| SIM | Micro SIM | |
| Digital inputs | ACC, SOS, Mic | |
| Digital outputs | Relay | |
| Physical specification | Dimensions | 105.8 x 54.5 x 16.4mm |
| Weight | 96g | |
| Operating environment | Operating temperature | -20 °C to +70 °C |
| Operating humidity | 5% ~ 95%, non-condensing | |
| IP Rating | IP65 | |
| Feature | Sensors | Accelerometer |
| Scenarios | Vehicle movement alert, Over-speed alert, Geo-fence, Power supply disconnection |
2.3 GT06N Specifications
| Category | Parameter | Value |
|---|---|---|
| GNSS | Positioning system | GPS+BDS+LBS+AGPS |
| Frequency | L1 | |
| Positioning accuracy | <2M CEP | |
| Cellular | Communication network | GSM |
| Frequency | 850/900/1800/1900MHz | |
| Power | Battery | 110mAh/3.7V Industrial grade lithium Polymer battery |
| Input voltage | 9-100V DC | |
| Interface | LED indication | GNSS(Blue), Cellular(Green), Power(Red) |
| SIM | Micro SIM | |
| Data storage | 32+32Mb | |
| Digital inputs | ACC, SOS, input | |
| Digital outputs | Relay | |
| Physical specification | Dimensions | 48*29*31.3mm |
| Weight | 23.8g | |
| Operating environment | Operating temperature | -20 °C to +70 °C |
| Operating humidity | 5% to 95%, non-condensing | |
| IP Rating | IP64 | |
| Feature | Sensors | Accelerometer |
| Scenarios | Moving, Tamper, Geofence, Vibration, Low battery, Power Cut Off, Engine Cut-off, ACC detection | |
| Driving behavior analysis | Harsh acceleration, Harsh braking, Harsh cornering, Collision | |
3. Package Contents
3.1 MV208 (2G Type) Package List
- GPS Tracker (MV208) x 1
- Harness x 1
- Relay & Relay Socket (12V) x 1
- SOS Cable & Button x 1
- Microphone x 1
- User Manual Card x 1
- Package Box x 1
3.2 MV406 (4G Type) Package List
- GPS Tracker (MV406) x 1
- Harness x 1
- Relay x 1
- User Manual Card x 1
- Package Box x 1
3.3 GT06N Package List
- GPS Tracker (GT06N) x 1
- Harness x 1
- Relay x 1
- SOS Cable & Button x 1
- Microphone x 1
- User Manual Card x 1
- Package Box x 1
4. Getting Started
4.1 SIM Card Installation
Prepare a Micro SIM card that supports the device's network (2G GSM for MV208/GT06N, 4G LTE/GSM for MV406). Insert the SIM card into the SIM card slot, paying attention to the correct direction shown on the device. Ensure the SIM card is enabled with mobile data, SMS, voice call, and incoming number recognition service for full functionality.
4.2 Backup Battery Activation
To use the device's backup battery, ensure the battery switch is in the "ON" position. Note: The switch must be in the "OFF" position when the device is shipped on an aircraft.
4.3 Device Placement
Choose an appropriate position in the vehicle for installation. Recommended locations include under the rear windshield, around the dashboard, or under the front hood. Avoid installing the device under metal thermal barriers or heating layers, as these may affect GPS and GSM signals. Ensure the side with the SIM card slot and GPS antenna faces towards the sky for optimal signal reception.
4.4 Wiring Diagram
Wiring Instructions:
- PW+ (Red Wire): Connect to the positive pole of the vehicle's fuse.
- Ground (Black Wire): Connect to the negative pole of the vehicle's fuse.
- ACC (White Wire): Connect to the car's ACC (Accessory) power.
- Relay (Yellow Wire): Connect to the car's relay.
Choose the appropriate relay (12V or 24V) according to the output voltage of your vehicle battery.
5. Operating Instructions
5.1 Commands Rule
The device supports sending commands via USB cable, SMS, or through the web platform & mobile app. SMS and online command formats are identical. When sending commands via USB, a prefix "AT^" is required before each command. Commands are not case-sensitive.
There are two types of commands:
- Query Commands: Used to retrieve device information and status. They have no configuration parameters. Example:
VERSION(Device reply:[VERSION]MT2503_MV208_GPS_IN_TEST_V07.10[BUILD]2023/09/06 15:03) - Setting Commands: Used for configurations. If executed successfully, the device replies with "Set OK,". If a parameter is out of range, an error message with the valid range is returned. Example:
REPORT,0,30,300(Device reply:Set OK, REPORT,0,30,300)
5.1.1 Center Number
Up to 3 center numbers can be added to manage the device and receive alarms. Alarms set to report by SMS or phone call will not be sent if no center number is configured.
- Add:
CENTER,A,<B>,<C>,<D>(A="A" for add; B, C, D are numbers 1-15 digits) - Delete:
CENTER,D,<B>(D="D" for delete; B is 1-3 for first, second, or third number) - Set Permissions:
PERMIT,<A>,<B>,<C>(A: 0=only center can send commands, 1=all can send; B: 0=only center can call, 1=all can call; C: 0=only first center receives alarm, 1=all centers receive alarms)
5.1.2 Commands Password
A password can be set to prevent unauthorized access. The default password is "MV208" and can be omitted. Once modified, all commands must include the password as the first parameter.
- Set Password:
PASSWORD,<PW1>,<PW2>(PW1=old password, PW2=new password, 1-19 digits/letters)
5.1.3 SMS Forwarding
This command allows the device to forward SMS messages received from a specified number within 10 minutes to a destination number.
- Command:
SMS,<A>,<B>(A=destination number, B=SMS message content)
5.2 Network Connection
5.2.1 Self-adaptive APN
By default, the device automatically sets the APN when a SIM card is read, adapting to most global telecom operators.
- Enable/Disable:
AUTOAPN,<A>(A=ON/OFF, default ON)
5.2.2 Manual APN Setting
If the APN is not in the device's database, it can be set manually. Manual setting automatically disables auto APN.
- Command:
APN,<A>,<B>,<C>(A=APN name, B=APN username, C=APN password)
5.2.3 Platform Server
The device connects to the platform server via a long TCP connection. The main platform server can be configured.
- Set Server:
SERVER,<A>,<B>,<C>,<D>(A=0 for IP, 1 for domain name; B=1-2 for max servers; C=Server IP or domain name; D=Server port) - Set Backup Server:
BSERVER,<A>,<B>,<C>,<D>(Same parameters as SERVER)
5.2.4 Connection Establishment
After registering on the mobile network, the device checks server settings, sends a login packet, and upon successful response, sends positioning and heartbeat packets.
5.2.5 Maintain Connection
The device periodically sends heartbeat packets to the platform to maintain the connection, preventing termination by the mobile network.
- Heartbeat Interval:
HEARTBEAT,<A>,<B>(A=1-10 min when ACC ON, B=1-10 min when ACC OFF)
5.2.6 Connection Lost & Re-connection
The device detects connection loss by TCP protocol, no network signal, or heartbeat reply timeout. It attempts to re-establish connection up to 3 times when ACC is ON, then reboots after 20 minutes if ACC is OFF. Re-connection also occurs after a phone call ends or if the device reboots.
5.3 GPS Functionality
The device reports position packets (date, time, longitude, latitude, speed, heading) to the platform. If GPS signal is lost, it reports the last known valid position.
5.3.1 Position Report Interval
- Command:
REPORT,<A>,<B>,<C>(A=0 for timer mode, 1 for distance mode) - Timer Mode (A=0): B=time interval in seconds when ACC ON (0=no report, default 10); C=time interval in seconds when ACC OFF (0=no report, default 0).
- Distance Mode (A=1): B=distance interval in meters (0=no report, default 300); C is not used.
5.3.2 GPS Module Working Status
GPS module is always active when ACC is ON. When ACC is OFF, the G-sensor detects vibration to activate the GPS module for a period defined by the SENDS command, then enters sleep mode.
- SENDS Command:
SENDS,<A>(A=0 or 1-300 minutes for GPS module work time after waking, 0=always working, default 5)
5.3.3 G-sensor
The built-in G-sensor detects shocks and vibrations. A valid vibration event is determined by the following settings:
- Command:
GSENSOR,<A>,<B>(A=1-300 seconds detection time, default 10; B=1-3000 minutes vibration alarm interval, default 1)
5.3.4 Positioning Immediately
To get an immediate position update, send the command: POSITION. The device will reply with the newest position via a Google Maps link.
5.3.5 Angle Report
The device can report extra positions when turning at corners for smoother history playback and more accurate mileage statistics (only active when speed > 3km/h).
- Command:
ANGLEREP,<A>,<B>,<C>(A=ON/OFF, default ON; B=1-180 angle degree changes, default 10; C=2-5 seconds detection time, default 2)
5.3.6 LBS Report
If the vehicle enters an area with no or weak GPS signal, the device can report surrounding LBS (Cell tower ID, MCC, MNC, LAC) data to the platform for approximate location using third-party services like Google Geolocation API.
- Command:
LBSREP,<A>,<B>(A=ON/OFF, default OFF; B=10-3600 seconds timeout before reporting LBS, default 60)
5.3.7 GPS Data Buffer
The device can buffer up to 1000 GPS positions in memory if connection is lost. Once re-established, the buffered data is reported. Oldest data is overwritten when memory is full.
- Clear Buffer:
CLEAR
5.4 Status Monitor and Control
5.4.1 Remote Listen-in
If a microphone is installed, the device supports remote voice monitoring within a 5-meter range. The center number can call the device to listen in, or send a command to request the device to dial out.
- Command:
MONITOR
5.4.2 Remote Engine Cut-off
With the relay properly installed, the device supports remote engine cut-off to disconnect vehicle fuel and electricity supply.
- Command:
RELAY,<A>(A=ON/OFF, default ON)
Conditions for execution:
- If ACC is OFF, the command executes unconditionally.
- If ACC is ON, the device checks GPS positioning and speed. If position is fixed and speed is below 20Km/h, it executes immediately. Otherwise, it delays execution until these conditions are met.
5.4.3 External Battery Voltage Report
The device can report the external (vehicle) battery voltage to the platform.
- Command:
EXVOLTREP,<A>,<B>,<C>(A=ON/OFF, default OFF; B=0-3600s report interval when ACC ON, default 60; C=0-3600s report interval when ACC OFF, default 60)
5.5 Alarms
The device can trigger and report various alarms based on real-time GPS and vehicle data when predefined thresholds are met.
- Vibration Alarm: Triggered when the vehicle is parked (ACC OFF) and a valid vibration event is detected. Command:
VIBRATEALM,<A>,<B>(A=ON/OFF, default OFF; B=0-3 for report channel, default 1) - Power Cut-off Alarm: Triggered when the external power supply is disconnected. Command:
POWERALM,<A>,<B>,<C>,<D>,<E>(A=ON/OFF, default OFF; B=0-3 for report channel, default 1; C=1-3600s detection time, default 10; D=1-3600s max recharge time to re-trigger, default 10; E=0-3600s dull time when ACC changes OFF, 0=no dull time) - SOS Alarm: Triggered by pressing the panic button in an emergency. Command:
SOSALM,<A>,<B>(A=ON/OFF, default ON; B=0-3 for report channel, default 0) - Low External Battery Alarm: Triggered when external power voltage drops below a threshold while parked (ACC OFF). Command:
LOWEXBATALM,<A>,<B>,<C>,<D>,<E>(A=ON/OFF, default OFF; B=0-1 for report channel, default 0; C=10-1000 normal voltage, default 115; D=10-1000 dismiss threshold, default 125; E=1-300s detection time, default 10) - Low Battery Alarm: Triggered when the built-in battery voltage drops below 3.65V. Command:
LOWBATALM,<A>,<B>(A=ON/OFF, default OFF; B=0-1 for report channel, default 0). Note: Recharge vehicle battery immediately to prevent device going offline. - Geofence Alarm: Triggered when the vehicle enters or exits a defined circular or rectangular geofence area. Commands:
GFENCE,<A>,...(A=1-10 for circular, 11-20 for rectangular) - Moving Alarm: Triggered when the vehicle is parked (ACC OFF) and detects vibration followed by movement (towing alarm). Command:
MOVEALM,<A>,<B>,<C>(A=ON/OFF, default OFF; B=0-3 for report channel, default 0; C=100-1000m moving distance, default 300) - Ignition Alarm: Triggered when the vehicle ignition (ACC) status changes between ON and OFF. Command:
IGNITIONALM,<A>,<B>,<T>,<C>(A=ON/OFF, default OFF; B=0-1 for report channel, default 0; T=1-60s detection time, default 1; C=0 for ACC ON, 1 for ACC OFF, 2 for both, default 0) - Overspeed Alarm: Triggered when vehicle speed exceeds a predefined threshold while ACC is ON and moving. Command:
OVERSPEEDALM,<A>,<B>,<C>,<T>(A=ON/OFF, default OFF; B=0-1 for report channel, default 0; C=1-255 km/h speed threshold, default 120; T=5-600s detection time, default 5) - Harsh Acceleration Alarm: Triggered by harsh acceleration detected by the G-sensor while ACC is ON and vehicle is moving. Command:
ACCELALM,<A>,<B>(A=ON/OFF, default OFF; B=0-1 for report channel, default 0) - Harsh Brake Alarm: Triggered by harsh braking detected by the G-sensor while ACC is ON and vehicle is moving. Command:
BRAKEALM,<A>,<B>(A=ON/OFF, default OFF; B=0-1 for report channel, default 0) - Harsh Turn Alarm: Triggered by harsh turns detected by the G-sensor while ACC is ON and vehicle is moving. Command:
TURNALM,<A>,<B>(A=ON/OFF, default OFF; B=0-1 for report channel, default 0) - Crash Alarm: Triggered by a sudden speed change to 0 (crash) detected by the G-sensor while ACC is ON and vehicle is moving. Command:
CRASHALM,<A>,<B>(A=ON/OFF, default OFF; B=0-1 for report channel, default 0) - GPS Failure Alarm: Triggered if GPS cannot fix position for a long time (e.g., no signal, jamming) while mobile network signal is available. Command:
BLINDALM,<A>,<B>,<C>(A=ON/OFF, default OFF; B=0-3 for report channel, default 0; C=1-20 minutes GPS can't fix time, default 10)
6. Device Management
6.1 Timezone Setting
The device communicates with the platform server using UTC 0. Timezone for SMS alarms can be auto-set by the telecom operator's network or manually configured.
- Auto Timezone:
AUTOGMT,<A>(A=ON/OFF, default ON) - Manual Timezone:
GMT,<A>,<B>,<C>(A=E/W for eastern/western, default E; B=0-12 for timezone value, default 0; C=0/15/30/45 for half time zone, default 0)
6.2 Device Reboot
The device automatically reboots in certain abnormal situations to ensure continuous operation, such as:
- SIM card has restricted service.
- SIM card is detected removed and reinserted.
- No data output from GPS module for more than 20s.
- Moving speed higher than 5km/h but longitude and latitude are unchanged.
The device also reboots every 24 hours to check for firmware updates. A manual reboot command is available:
- Manual Reboot:
REBOOT
6.3 Device Status Check
To diagnose device failures, a quick status check can be performed to query main configured parameters and current status.
- Status Check:
CHECK
The reply may include IMEI, firmware version, server port, IP, APN, CSQ, network status, number of GPS satellites, battery voltage, external power supply voltage, report interval, center number, ICCID, ACC status, etc.
6.4 Restore to Factory
Factory reset restores the device to its original manufacturer settings, erasing all configurations and buffers. This can resolve software or configuration issues and improve performance.
- Factory Reset:
FACTORY
7. Troubleshooting
- No GPS Signal / Inaccurate Positioning:
Ensure the device is installed with the SIM card slot and GPS antenna facing the sky. Avoid metal obstructions or heating layers. Check GPS module working status and LBS report settings. - Device Not Connecting to Platform:
Verify SIM card is active with mobile data, SMS, and voice call services. Check APN settings (auto or manual). Ensure correct platform server IP/domain and port are configured. Check network signal strength. - Login/Password Issues for Tracking App/Website:
If you cannot access the tracking platform, ensure you are using the correct IMEI for login and the default or your set password. If the password was changed via SMS command, ensure you remember the new password. Contact support if login details are lost. - Alarms Not Triggering:
Verify that center numbers are correctly set up and have appropriate permissions to receive alarms. Check the specific alarm settings (e.g.,VIBRATEALM,POWERALM) to ensure they are enabled and configured with correct thresholds and reporting channels. - Engine Cut-off Not Working:
Ensure the relay is correctly wired and the ACC wire is properly connected. Remember that engine cut-off has specific safety conditions when ACC is ON (GPS fixed, speed < 20Km/h). - Device Goes Offline Frequently:
Check external power supply and backup battery status. Ensure the backup battery is charged. If the internal battery is low, recharge the vehicle battery to prevent the device from going offline.
8. User Tips
- SIM Card Activation: Always ensure your SIM card is fully activated with data, SMS, and voice call services before installation. This is crucial for the tracker's communication capabilities.
- App Subscription: While the tracking platform may offer a free trial period, be aware that some services might require a subscription after the trial expires. Check the service terms for long-term usage.
- Command Syntax: When sending SMS commands, pay close attention to the exact syntax, including commas and parameters, as incorrect formatting can lead to command failure.
- Login Credentials: Keep your login credentials (IMEI and password) for the tracking platform secure and accessible. If you change the default password, make a note of the new one.
- KML/KMZ Export: For advanced users, check the MettaXIoT app or web platform documentation for features like KML/KMZ file export if you need to analyze tracking data in other mapping software.
9. Warranty and Support
For detailed warranty information, technical support, or service inquiries, please refer to the official documentation provided with your product or contact the Heytrack Official Store directly. The full user manual (PDF) contains comprehensive details regarding product usage and support.
Reference: A detailed user manual (PDF) for the MV208 model is available for download at MV208 User Manual (PDF).
