1. LTE Cat 1 with 2G fallback

2. IP67 waterproof

3. Input voltage range from 9 to 90V

4. Supports BLE 5.2

The GV57CEU is an LTE Cat 1 telematics device that can be used for a wide range of transportation monitoring applications such as micromobility, stolen vehicle recovery, automobile finance and logistics. The device’s IP67-rated waterproof casing design ensures long-term reliability in humid, harsh environments. Its wide operating voltage range of 9~90V also makes it suitable for a variety of electric vehicles, including e-bikes, scooters, golf carts, etc.

Technical characteristic	Value
Item ID	103565
Condition	New
Model	GV57CEU
Manufacturer	Queclink
Manufacturing country	China
Content	1 piece
Weight	1000 g
Customs tariff number	8526919090

Specifications

LTE Specifications

Operating Band	LTE FDD: B1/B2/B3/B4/B5/B7/B8/B20/B28
Data Transmission	LTE-FDD: Max 10Mbps (DL)/Max 5Mbps (UL)

GSM Specifications

Frequency	850/900/1800/1900 MHz
Data Transmission	EDGE:(DL)236.8Kbps/(UL)236.8Kbps GPRS:(DL)85.6Kbps/(UL)85.6Kbps

GNSS Specifications

GNSS Type	High-precision GNSS receiver
Constellation Support	GPS, Beidou
Sensitivity	Cold start: -147dBm Hot start: -155 dBm Tracking: -160 dBm
Position Accuracy (CEP)	Autonomous: < 2m
TTFF (Open Sky)	Cold start: 28 seconds average Hot start: 1 second average

General Specifications

Dimensions	84(L) x 50(W) x16.6(H)mm
Weight	76g
Backup Battery	Li-Polymer, 190 mAh
Operating Voltage	9~90V DC
Operating Temperature	-30℃ ~ +70℃ -40℃ ~ +80℃ for storage
Waterproof	IP67 compliant
BLE	Support BLE 5.2 protocol
Buffer Messages	UP to 10,000 buffer messages

Interfaces

Digital Input	1 × positive trigger input for ignition detection
Configurable Input	1 x configurable input for analog input (0V ~ 16V) or negative input
Latched Digital Output	1 x digital output with one internal latch circuit, open drain, 150 mA max drive current
Cellular Antenna	Internal only
GNSS Antenna	Internal only
BLE Antenna	Internal only
LED Indicators	CEL，GNSS
Micro USB Interface	Used for configuration, upgrade and debugging

Air Interface Protocol

Transmission Protocol	TCP, UDP, SMS
Scheduled Report	Report position and status based on preset time intervals, distance, mileage or a combination of these settings
Geo-fences	Geo-fence alarm and parking alarm, support up to 20 internal geo-fence regions
Speed Alarm	Flexible speed monitoring for unusual speed alarm
Low Power Alarm	Alarm when backup battery is low
Power On Report	Report when the device is powered on
Tow Alarm	Alarm for tow event in ignition-off state
Driving Behavior Monitoring	Aggressive driving behavior detection, including harsh braking, acceleration, etc.
Crash Detection	Accident data collection for reconstruction and analysis
Remote Control	OTA control of digital outputs
SOS Alarm	Alarm message report triggered by panic button in emergency situation
Virtual Ignition Detection	Based on voltage and accelerometer
Jamming Detection	Alarm based on jamming detection

Specifications

Queclink GV57CEU - LTE Cat 1 Waterproof Tracker for E-mobility