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Below are the details of the LH-16RGPS device. This unit is a high-performance GPS tracking and communication module designed for vehicle monitoring and management.
Electrical performance parameters
2.1 Communication Module
1. The communication module uses Huawei EM310.
2. It operates on EGSM900/GSM1800 dual frequency bands.
3. Reception sensitivity is optimized for reliable signal reception.
4. Operating temperature range: -20°C to 70°C.
2.2 Positioning Module
1. The positioning module is based on SIRF III technology.
2. Sensitivity reaches -159dBm for accurate location detection.
3. Hot start time (in open areas) is fast and efficient.
4. Cold start time (in open areas) is also quick and reliable.
5. Positioning accuracy is high, suitable for real-time tracking.
6. Supports 20 GPS channels for enhanced signal coverage.
7. Operating temperature range: -40°C to 85°C.
2.3 Machine Parameters
1. Dimensions: 100mm x 86mm x 35mm (length x width x height). Width excludes antenna interface.
2. Color: Silver gray.
3. Weight: 600g.
4. Input voltage range: 10V to 36V DC.
5. Working current: 50-80mA at 12V DC.
6. Operating environment: -20°C to +70°C.
7. Backup battery life: 1 hour.
8. Communication methods: TCP, UDP.
3. Function Details
3.1 Query Functions
3.1.1 Location Query
After receiving a location query command, the terminal returns the current vehicle's location data, including time, longitude, latitude, speed, direction, position status, and vehicle/terminal status.
3.1.2 Vehicle Status Query
When a parameter status query is received, the terminal provides the current status of the vehicle, such as location, vehicle status, terminal status, settings, and mileage.
3.1.3 Vehicle Parameter Query
The device can also retrieve VIN, license plate number, vehicle type, driver account number, and more.
3.1.4 Terminal Version Query
Upon receiving a version query command, the terminal returns its software and hardware version information, including model, main chip, software version, and release date.
3.1.5 Historical Track Query
Historical driving data is stored in the server database. Users can query specific time periods and replay the track with visual representation.
3.2 Settings
3.2.1 ACC Timing Return Interval
Set the time interval for returning location data when the ignition is on or off. Default is 30 seconds when on, and 6 minutes when off.
3.2.2 Overspeed Alarm Threshold
An overspeed alarm triggers if the vehicle exceeds the set threshold for over 10 seconds. Default is 10 km/h, but it can be adjusted up to 255 km/h.
3.2.3 Parking Timeout Alarm
If the vehicle is stationary for longer than the set timeout, an alarm is triggered. Default is 1 minute, but can be adjusted up to 255 minutes.
3.2.4 Electronic Fence Setting
Supports up to 30 electronic fences. When entering or exiting a fence, an alert is sent to the center.
3.2.5 IP and Port Settings
Users can change the IP address and port number remotely. Changes take effect after the terminal restarts.
3.2.6 Remote PBX Number Download
The terminal can store up to 40 group numbers. This feature requires an external phone or display.
3.2.7 Timing Monitoring Settings
The center can set the timing monitoring interval from 1 to 255 seconds. Default is 30 seconds.
3.2.8 Distance Monitoring Settings
Distance-based alerts can be set from 50 to 9999 meters. Default is 100 meters.
3.2.9 Transparent Transmission Mode
Allows direct data transmission between the terminal and the server without protocol conversion.
3.2.10 Connection Method
Supports GPRS connection via UDP, TCP, or DUP+TCP modes.
3.2.11 Fatigue Driving Settings
Set driving time limits, e.g., 5 to 255 minutes. If exceeded, an alert is generated.
3.3 Control
3.3.1 Remote Restart
Center can send a remote restart command to reset the terminal.
3.3.2 Remote Oil Circuit Control
Can cut or restore the vehicle’s oil circuit remotely.
3.3.3 SMS Communication
Supports sending and receiving short messages. Can receive up to 120 Chinese characters.
3.3.4 Remote Monitoring
Requires an external microphone or handle phone. Allows one-way audio monitoring of the vehicle.
3.3.5 Remote Software Upgrade
Only supported by the manufacturer.
3.3.6 Device Self-Test Command
Center can issue a self-test command to check the terminal’s status upon next startup.
3.4 Alarms
3.4.1 Overspeed Alarm
Triggers when speed exceeds the set threshold. Alerts include GPS data and are uploaded periodically.
3.4.2 Parking Timeout Alarm
Triggers when the vehicle remains stationary beyond the set time. Includes GPS data and is uploaded periodically.
3.4.3 GPS Antenna Fault Alarm
Detects antenna disconnection or short circuits. Alert is included in GPS reports.
3.4.4 Main Power Failure Alarm
Triggers when the terminal loses power. Alert is included in GPS reports.
3.4.5 Custom Sensor Alarm
Triggers based on sensor input. Includes GPS data and is uploaded periodically.
3.4.6 Robbery/Help Alarm
Triggers when the alarm button is pressed for over 0.5 seconds. Includes GPS data and is uploaded periodically.
3.4.7 Electronic Fence Entry/Exit Alarm
Triggers when entering or exiting a pre-set electronic fence. Immediate alert is sent to the center.
3.5 External Serial Port & Device Description
3.5.1 Image Capture Interface (RS232)
Supports image capture using a 0706 photo processing chip. Resolution options include 640x480, 320x240, and 160x80.
Supports multiple shots (default 5, max 10). Data can be compressed into three levels.
3.5.2 Mileage Statistics
Tracks cumulative distance based on GPS movement, in 100-meter increments.
3.5.3 Blind Zone Supplement
Stores location data during GPRS signal loss and uploads it once signal is restored. Can store up to 11,000 records.
3.5.4 Transparent Transmission Interface
Offers two transparent transmission interfaces for secondary development and compatibility with other systems.
3.5.5 Accident Data Retrieval
Retrieves data such as speed, brake signals, door status, and ACC status for 20 seconds before an accident.
3.5.6 Print Report
Uploads data to the center before printing.
3.5.7 Drive Recorder Function
Records drive data including speed, GPS speed, latitude, longitude, oil circuit status, alarms, and more. Stores tens of thousands of data entries.
