The ESX – TC3G is the latest addition to STW’s Telematics line. It is based on the highly successful ESX-TC3 controller.  The major enhancements are the addition of 3G and CDMA capabilities to the existing GSM modem, the addition of GLONASS to the GPS for faster and more accurate positioning and the presence of both internal and external antennas.
The ESX-TC3G will have the same 32 bit MPC5200B  400MHz processor and 1GB of flash memory as its predecessor.  The unit has an excellent array of communications options.  The basic unit has two (2) CAN ports, an RS-232 port and a USB port.  The communications expansion board adds a digital input and output, an accelerometer, and the option to add cellular (GSM/CDMA/3G), GPS and WLAN modems.  Antennas can be internal or external – the TC3G is one of the few telematics units on the market with internal antennas.  The internal antennas and a patent-pending design incorporating the SIM card into the connector allow the TC3G to meet both IP-67 and IP-69k environmental standards.  The TC3G is robust and designed for working machines and highly challenging environments. This telematics control unit is suitable even for sophisticated control and gateway functions. For example, it can be used for agriculture machines, snow plowing vehicles, and other mobile machinery.

Off Highway TelematicsThe TC3G employs a linux operating system, an extensive board support package and a telematics application framework that provides powerful tools for telematics application development.  A fully functional logging application with data acquisition readers for CAN freestyle, GPS, J1939, CANOpen and ISOBUS is available without costly licensing or service fees.  Configuration can be done remotely via a web browser configuration tool.  Open source applications can be freely utilized to add functionality to the TC3G.  Additionally, the TC3G has the capability to flash (perform software updates to) STW controllers over a CAN bus and to serve as a bridge for remote users to perform diagnostics, monitoring and troubleshooting.

Datasheet – Telematics Controller TC3G

Telematics Controller Manual TC3G

Quick Start Guide Telematics Controller TC3G

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  • 3G (five bands) and 2G (four bands) wireless communication
  • Wireless interfaces such as WLAN and Bluetooth
  • CDMA option for cellular
  • GPS and GLONASS receiver for optimized accuracy and acquisition time.
  • Internal or external Antennas
  • 2 CAN, one RS-232 port, one Ethernet and one USB interfaces
  • 32 bit MPC5200B  400-MHz micro-controller
  • Board Support Package with CAN recorder and virtual CAN network software.
  • Linux Operating System
  • Communications expansion board adds a digital input and output, an accelerometer, and the option to add cellular (GSM/CDMA/3G), GPS and WLAN modems

TC3GProcessor System

  • Processor : 32 Bit Controller, MPC5200B 400 MHz
  • RAM: 128 MB
  • NOR-Flash: 64 MB
  • FRAM / EEPROM: 8 kB
  • NAND-Flash-Memory: 1 GB


  • CAN: 2x CAN 2.0 B (11 Bit and 29 Bit Identifier), Low- / High-Speed up to 1 Mb/s
  • RS232:(serial interface) programmable baud rate
  • USB: 1.1 / Low- & Full-speed Host-Interface
  • Ethernet: IEEE 802.3, 10/100 Mb IEEE 802.3, 10/100 Mb

Expansion Board

  • I/O: 1 digital input, 1 digital output
  • 3 axis accelerometer with wake up function

Options Available with Expansion Board

  • Bluetooth: V2 Class 1 (17 dBm up to 300 m line of sight, internal antenna)
  • WLAN: IEEE 802.11b & g (internal antenna)
  • 3G/2G Modem: Five band 3G – HSPA+ , Quad band 2G – GPRS/EDGE
  • EGPRS/GPRS: Class 12 (internal antenna)
  • GPS: SiRF chipset, SBAS (EGNOS/WAAS Correction, 20/12 Channel internal GPS antenna)


  • Linux operating system
  • Board support package (including source code)
  • Telematics Application Framework with options for Data Acquisition and Logging Modules
  • Open Source development environment

Off Highway 3G TelematicsSystem Data

  • Voltage Supply: 9 … 32 V DC
  • Current: 300 mA at 12 V
  • Real Time Clock: Gold cap buffered with wake-up and alarm function
  • Internal temperature sensor

Mechanical Data

  • Connector: 19 pol. automotive standard connector (Tyco / AMP)
  • Housing: IP67 and IP69k
  • Weight: 0.3 kg (0.67 lbs)
  • Dimensions: approx. 134 mm x 117 mm x 36 mm (5.28“ x 4.61“ x 1.42“)

Environmental Specifications

  • Requirements: Tested to the standards of automotive, agricultural and construction machine industries
  • Temperature range: Operating: -40° C … +70° C (-40° F … +158° F) housing temperature

Download Datasheet

Datasheet – Telematics Controller TC3G

Telematics Controller Manual TC3G

Quick Start Guide Telematics Controller TC3G

Need to customize your controller for Telematics? We have a skilled team ready to work with you on customization. Read more about our customization services and contact us.