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The GV350CEU is a next-generation telematics solution equipped with LTE Cat 1 and GNSS positioning modules. It is capable of reading advanced vehicle data from heavy-duty trucks (CAN and J1708), light commercial vehicles, and passenger vans without interfering with the vehicle’s bus wiring or data ports. With multiple interfaces, the device supports a wide range of pre-integrated accessories—either from Queclink or selected partners—via the RS232 serial port and 1-wire interface, enabling additional features such as fuel level monitoring and driver identification. Its integrated BLE allows connectivity with various wireless accessories such as BLE beacons and temperature monitoring sensors.
Manufacturer | Model | Type | I/O | Battery | Communication Methods |
---|---|---|---|---|---|
Queclink | GV57MG | GPS | N/A | Yes - Backup battery | GPRS/LTE |
Specifications |
|
LTE Specifications |
|
Operating Bands |
LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B20/B28 |
Data Transmission |
LTE-FDD: Max 10Mbps (DL)/Max 5Mbps (UL) |
EGPRS Specifications |
|
Dimensions |
94(L) x 58.5(W) x 21(H)mm |
Weight |
74g |
Backup Battery |
Lithium Polymer, 250 mAh |
Operating Voltage |
8V to 32V DC |
Operating Temperature Storage Temperature |
-30℃ ~ +70℃ -40℃ ~ +80℃ |
BLE |
Supports BLE 5.2 protocol |
GNSS Specifications |
|
GNSS Type |
All-in-one u-blox GNSS receiver |
Constellation Support |
GPS,Glonass,Galileo,Beidou |
Sensitivity |
Cold Start: -148 dBm Hot Start: -160 dBm Tracking: -167 dBm |
Position Accuracy (CEP) |
Autonomous: < 2m |
TTFF (Open Sky) |
Cold Start: 24 s (avg) Hot Start: 1 s (avg) |
Interfaces |
|
Digital Inputs |
1 positive trigger input for ignition detection 3 negative trigger inputs |
Analog Inputs |
2 analog inputs (0V–16V) 1 analog input (0–30V) |
Digital Outputs |
5 digital outputs |
Latched Digital Output |
1 latched output with internal latching circuit, open drain, max drive current: 150 mA |
Serial Port |
1 RS232 serial port via 22-pin Molex connector for external devices |
Cellular Antenna |
Internal only |
GNSS Antenna |
Internal |
BLE Antenna |
Internal only |
LED Indicators |
Cellular network, GNSS, power status, CAN status |
Mini USB Port |
For configuration, updates, and debugging |
CAN Interface |
CAN1: Supports CAN-bus for trucks and passenger vehicles CAN2: Supports CAN-bus on OBD II and J1708 |
1-Wire Interface |
VDD, DATA for 1-Wire devices |
Air Interface Protocol |
|
Transmission Protocols |
TCP, UDP, SMS |
Scheduled Reporting |
Reports position and status based on preset time intervals, distance, mileage, or combinations |
Geo-fences |
Geo-fence and parking alarm, supports up to 20 internal geo-fence regions |
Low Power Alarm |
Triggered when backup battery is low |
Power-On Report |
Reports when device powers on |
Towing Alarm |
Triggered by towing events while the vehicle is off |
Driving Behavior Monitoring |
Detects aggressive driving, including harsh braking and rapid acceleration |
Collision Detection |
Captures crash data for reconstruction and analysis |
Special Alarm |
Triggered by digital/analog input events |
Remote Control |
OTA control of digital outputs |