LTE CAT-M1 (eMTC) Fleet Tracking Devices
Product Description: 


The GV350 series (LTE) includes two models GNSS tracking devices with multiple interfaces including RS232 serial ports and a 1-wire interface, etc. The series supports LTE CAT-M2 (NB-IoT) and LTE CAT-M1 (eMTC) network on multiple band for operation in both North America and Europe.

  • Wide Operating Voltage Range 8V to 32V DC
  • Multiple I/Os for Monitoring and Control
  • 1-wire Interface Supports Temperature Sensor
  • GARMIN FMI/Multiple Sensors
  • Two RS232 Serial Ports for External Accessories
  • Internal 3-axis Accelerometer for Motion Detection
  • Driving Behavior Monitoring and Incident Notification
  • Bluetooth Low Energy 4.0 Support
  • Internal GNSS Antenna and Optional External GNSS Antenna

GV350 Product Series

Model No. Region Technology  LTE Category      Operating Band             Certificate   
GV350MA North America LTE eMTC LTE: B2/B4/B12/B13         FCC/Verizon
GSM: 900/1800 MHz
LTE: B3/B8/B20



GSM Specifications

Frequency 900/1800 MHz
Data Transmission

GPRS multi-slot class 12

EDGE multi-slot class 12

LTE Specifications

Operating Band B2/B4/B12/B13 B3/B8/B20
Data Transmission
eMTC (DL) 300Kbps
eMTC (UL) 375Kbps
eMTC (DL) 300Kbps
eMTC (UL) 375Kbps
NB1 (DL) 34Kbps
NB1 (UL) 66Kbps

GNSS Specifications

GNSS Type Qualcomm Gen 8C GNSS receiver
Cold start: -148 dBm
Tracking: -159 dBm
Position Accuracy (CEP50) Autonomous: < 2.5m
TTFF (Open Sky)
Cold start: 30s average
Hot start: 1s average


Digital Inputs
One positive trigger for ignition detection
Three negative trigger for normal use
Digital Outputs
Two open drain, 150 mA max drive current
One with internal latch circuit
Digital Output/Analogue Input Configurable I/Os, one special I/O can be configured as a 0-32V analogue input or an open drain output with 150 mA max drive current
Communication Port Two RS232 serial ports on 16 pin Molex type connector, for external devices 
1-wire Interface Support 1-wire temperature sensor
Cellular Antenna Internal only
GNSS Antenna Internal antenna and optional external antenna 
LED Indicators CEL, GNSS, Power
Micro USB port Micro USB connector for upgrading and debugging

General Specifications

Dimensions 80mm*48mm*25mm
Weight TBD
Backup Battery Li-Polymer 190 or 250 mAh
Operating Voltage 8V to 32V DC
Operating Temperature
-30℃ ~ +80℃ 
-40℃ ~ +85℃  for storage

Air Interface Protocol

Transmit Protocol TCP, UDP, SMS
Scheduled Timing Report Report position and status at preset intervals
Geo-fences Geo-fence alarm, support up to 20 circular and 20 polygon geo-fence regions
Power On Report Report when the device is powered on
Tow Alarm Based on internal 3-axis accelerometer
Driving Behavior Monitoring Aggressive driving behavior detection, e.g. harsh braking and acceleration
Crash Detection Accident data collection for reconstruction and analysis
Special Alarm Special alarm based on the digital inputs
Remote Control OTA control of digital outputs

Optional Bluetooth Specifications

Frequency 2.4 GHz RF transceiver compatible with BLE 4.0 (Bluetooth Low Energy 4.0)
Receiver Sensitivity Excellent receiver sensitivity -88 dBm
Max Output Power Up to 10 dBm
Optional BT Antenna Internal only