• 2G or 3G or 4G Network
  • eCall System (112)
  • 1-Wire® Interface
  • Assisted-GPS (Ephemeris)
  • Multi Satellite System (GNSS)
  • Harsh Driving Behavior Detection
  • Automatic Self-Diagnostic Record
  • Bluetooth Interface for Wireless Configuration (4G Version)
  • DSC Camera Support (3G/4G Version)
  • RS-485 Interface
  • WiFi Communication (with external Wi-Fi dongle / 3G) 
  • WiFi Communication (Internal Hotspot module / 4G Cat.4)
  • AES-256 Data Encryption
  • Built-in OBD Interpreter

 (*) Optional



  • Cost effective and easy installation
  • Two-ways voice communication
  • Data communications by UMTS/HSPA/GPRS/EDGE, SMS, FTP, USSD
  • Support GPS/ Glonass/ BDS/ Galileo* Satellite System
  • Built-in 6-axis accelerometer
  • Support harsh acceleration/ harsh braking/Impact detection/ harsh cornering/ Flip over detection
  • Support 1-Wire® interface temperature function and i-Button driver ID
  • RS232 interface for rich accessories supporting, Fuel level sensor, RFID reader, Barcode, and so on.
  • Support Garmin FMI 2.0 operation
  • Geofence report in circular and polygonal types
  • Remote configuration
  • Configurable real-time tracking
  • Intelligent power management
  • GPS Odometer data reading and flexible user-defined reports
  • FOTA firmware via FTP
  • Power low/lost alarm
  • GSM jamming detection
  • GPS antenna tamper detect alarm
  • Maximum 200,000 data logs

 (*) Optional


Item Description
Communication Specification Frequency
  • 2G/GSM:Quad band, 850/900/1800/1900 MHz
  • 3G/UMTS/HSPA:850/900/1900/2100 MHz
  • 4G LTE (Cat M) Global Band
  • 4G LTE Cat.1: B1, B2, B3, B4, B5, B7, B8, B12, B13, B19, B20, B28
  • 4G LTE (Cat.4) B1, B2, B3, B5, B7, B8, B28, GSM850 MHz , E-GSM 900 MHz , DCS 1800 MHz , PCS 1900 MHz
Data Protocol TCP, UDP, SMS, Voice, USSD
General Specification Dimensions
(L x W x H)
72mm x 108mm x 31mm
Weight 165g
Power Source
  • 2G/3G: 8-36V DC
  • 4G: 8-48V DC
Power Consumption Operating Mode
  • 3G: 126mA @12V DC
  • 4G Cat.1: 65.6mA @12V DC
  • 4G Cat.4: 81mA @12V DC
Standby Mode
  • 3G: 30mA @12V DC
  • 4G Cat.1: 13.2mA @12V DC
  • 4G Cat.4: 13.8mA @12V DC
Sleep Mode
  • 3G: 16mA @12V DC
  • 4G Cat.1: 2mA @12V DC
  • 4G Cat.4: 2mA @12V DC


Item Description
   Built-in OBD interpreter (4G)
GNSS Performance Datum WGS-84
Receiver Type 72 Channels
Sensitivity -167 dBm: 26S
Operating Temperature -20℃~+70℃(-4℉~158℉)
Bluetooth Bluetooth Specification V4.0 for 4G LTE (Cat. M1, Cat.1 and Cat.4)
Bluetooth transceiver for external peripherals
  • Configuration via Bluetooth
  • MDT data transmission
WiFi hotspot 2.4GHz, IEEE 802.11 a/b/g/n (Cat.4)
Interface Serial Ports
  • 3 x RS-232 Port (Configurable baud rate)
  • 1 x RS-485 Port
Input Ports
  • 1 x ACC/Ignition Input
  • 4 x Digital Inputs (2 x Positive triggers & 2 x Negative triggers)
  • 2 x Analog Inputs (12-bit resolution)
  • 1 x 1-Wire® Input
Output Ports 4 x Outputs (Max. sink current 300mA)
Ethernet Port 1 x Ethernet Port
 Two-way voice port





Type Files Name Post Date Download
DM DM-U1 PLUS-ST-EN 2019-05-23 Download