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  • SST TM2500 quad band module (GSM 850 / 900 / 1800 / 1900 MHz)
  • GPRS class 12
  • GPRS Mobile Station Class B
  • SMS (text, data)
  • Integrated Receiver
  • Tracking: 33/ 99 acquisition channels
  • Up to -165 dBm GNSS receiver sensitivity.
  • Protocol NMEA-0183: GGA, GGL, GSA, GSV, RMC, VTG;
  • Navigation Systems: GPS, GLONASS, GALILEO, BEIDOU, SBAS, QZSS, DGPS, AGPS

Leading GNSS/GSM/Blue-tooth Terminal for advanced applications

SST-81 is a professional tracker with GPS and GSM connectivity, which is able to determine the object's coordinates and transfer them via the GSM network. This device is perfectly suitable for applications, which need location acquirement of remote objects. It is important to mention that SST-81 has additional inputs and outputs, which let you control and monitor other devices on remote objects. SST-81 also has a USB port for device status log output and for saving configurations.

  • Features
  • Specification
  • Technical Features
  • Advantages
Interface Features
  • Power supply: 10 ÷ 30V
  • USB port
  • 4 digital inputs
  • 3 analog inputs
  • 4 open collector digital outputs
  • 4 1Wire® temperature sensor
  • 1Wire® iButton
  • LEDs indicating device status
  • Line interface for online Tachograph Vehicle Data transfer
  • 2xRS232 port
  • RS485 port
  • J1708 interface
  • LVCAN interface
  • CAN messages 2.0 A, B Active support. Speed up to 1 Mbit/s
  • Roaming enabling/disabling
  • Offline working mode
  • Records importing using USB/microSD card
  • Remote logs reading via SMS/GPRS
Hardware Features
  • STM32 processor
  • Built-in Bluetooth 3.0
  • 1 MB internal Flash memory
  • Built-in accelerometer
  • External memory card slot
  • Internal backup battery included
Description Voltage Duration
Normal operation 10-30V Unlimited
Protection turns on, device turn off 34V Unlimited
Maximum voltage <70V Unlimited
Maximum voltage impulse 90V 5 Milliseconds
Power supply 10...30 V DC 2 W Max
Operation temperature -25⁰ C … +55⁰ C
Storage temperature -40⁰ C … +70⁰ C
Energy consumption1 GPRS: 120 mA r.m.s Max., Nominal: average 65 mA r.m.s, GPS Sleep: average 28 mA, Deep Sleep: average less than 7 mA2
Storage relative humidity 5 … 95 % (non condensating)
Battery charge current Average 100 mA
  • Vehicle Real-Time Tracking
  • Mobile Asset Tracking
  • Fleet Management
  • Location Based Service
  • Smart Data Acquisition
  • Firmware update Over The Air
  • Accuracy up to 3mts
  • Blue-tooth is a wireless technology standard for exchanging data over short distances
  • RS-232/RS-485 serial communication interfaces
  • Increase connection reliability with automatic SIM switching
  • J1708 interface
  • LVCAN interface
  • K-Line interface for online Tachograph Vehicle Data transfer