Powerful telematics system with LTE Cat. 1

Perfectly equipped for demanding telematics applications that place high demands on positioning, communication, interfaces and free programmability (edge computing).


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One device – all functions integrated

LTE Cat. 1 Mobilfunk
GNSS receiver
Data Logger
Control (PLC)

Precise positioning with GPS, GLONAS, Galileo and QZSS; 3D-accelerometer, CAN for vehicle connection, numerous other interfaces (RS232, RS485, 1-Wire, USB, digital/analog I/O, audio, …) and protocols (e.g. Modbus, MQTT) and a future-proof LTE Cat 1 mobile connection with fallback to 3G / UMTS and 2G / GPRS make the C660 the ideal platform for demanding telematic applications.

Future-proof mobile connectivity

With a multiband LTE Cat. 1 modem, the C660 has a modern and future-proof mobile radio connection, as LTE will represent the comprehensive backbone of mobile communication in the long term. Automatic fallback to UMTS / EDGE / GPRS ensures optimal network availability. Voice with IVR (Interactive Voice Response) and DTMF as well as SMS are completing the profile. With support for a wide range of frequency bands, the C660 can be used worldwide.

Precise positioning

The C660 has a high-sensitivity GNSS receiver with support for GPS, GLONASS, Galileo and QZSS (99 acquisition channels / 33 tracking channels) with noise suppression and jamming protection. The support of DGPS (WASS, EGNOS, MSAS and GAGAN) further increases the positioning accuracy. A 3-axis accelerometer completes the equipment. An extension to inertial navigation is optionally available.

Powerful vehicle integration

A complete CAN 2.0B interface with hardware filtering and multi-speed support allows comprehensive data acquisition in vehicle installations. Additional units without CAN connection can be flexibly connected via the other interfaces of the C650.

Sophisticated energy management

A built-in UPS (integrated LiIon battery), low power consumption and five execution speeds with wakeup events from various sources allow safe operation even on switched on-board power systems.

Performance and security for edge computing

The C660 is based on an RTOS real-time core with IEC 61131-3 runtime environment. The 32-bit ST Arm®processor provides more than enough power and memory for your edge-computing applications. AES encryption and a certificate management for all important TCP based protocols (e.g. MQTT, SMTP, TCP/IP Sockets) offer a high security for your communication, e.g. with a cloud. Thanks to the Integrated Development Environment (IDE), programming distributed applications is as easy as programming a single PLC.

I/O interfaces for all needs

The C660 has 5 digital inputs, 4 digital solid state outputs (36V / 1.5A) and 2 analog inputs. The interface equipment is completely transparently expandable via Modbus modules for the user software and can be extended almost indefinitely.

Versatile communication

In addition to the mobile phone connection, the C660 has a large number of interfaces: CAN-2.0, RS-232, RS-485 und 1-Wire. For easy use of the interfaces, the development environment provides support for a variety of protocols such as TCP/IP, UDP, SMTP, FTP, MQTT, 1-Wire, M-Bus, Modbus (Master and Slave).

All details

If you need further information: We have compiled the essential technical data and are at your disposal for a consultation by phone or email.

Hardware core

  • 32-bit ST ARM CPU
  • 2.112 KB fast execution RAM
  • 4.532 KB Flash (firmware/application)
  • 7.5 MB persistent data Flash
  • 1 MB circular data logger
  • 20 KB FRAM (unlimited write cycles)
  • Real-time clock with battery backup


  • Integrated firewall
  • AES-128 Encryption
  • Certificate management


  • Persistent DataFlash (data logger)
  • Battery-buffered S-RAM
  • Internal flash drive
  • Circular data logger
  • SD card slot (up to 32 GB)


  • Multi-Band LTE Cat. 1 with fallback to 3G/2G (UMTS/GPRS/EDGE)
  • DTMF Decoder / Transmitter
  • Voice Messages / IVR
  • eCall Emergency Services prepared
  • SMS / PDU
  • Mini SIM (1.8 / 3 V)
  • eSIM (option)


  • Multi GNSS: GPS, GLONASS, Galileo and QZSS
  • 99 acquisition / 33 tracking channels
  • A-GPS capable
  • Anti-jamming, Noise cancellation
  • Active 3 volt GNSS antenna support
  • Position update with up to 4 Hz.


  • Full Digital Audio System
  • Transferring, saving, and playing audio
  • Line+Speaker Output
  • Microphone input
  • GSM audio support


  • CAN 2.0B
  • Hardware-Filtering
  • Multi-Speed -Support

Wired communication

  • 2x RS232
  • 1x RS485 with Modbus support
  • 1-Wire Bus

Digital I/O

  • 4 x Digital solid state output (max. 36 V - 1.5 A)
  • 5 x digital input
  • Transient protection
  • Low pass filter
  • expandable with Modbus modules

Analog I/O

  • 2x analog input (0..10V)
  • 12 bit resolution; ±1.5% FSR @ 25°C
  • Low pass filter
  • Transient protection
  • expandable with Modbus modules

Electrical data

  • Operating voltage 8..36 V DC
  • Reverse polarity protection

Battery and charging logic

  • Internal 2Ah Li-Ion Battery
  • Intelligent charger with temperature controller and support for temperatures below zero degrees
  • Battery temperature sensor


  • Power-saving modes
  • Events: Timer, digital input, RS232, GSM, Accelerometer, CAN, Power Change
  • Battery temperature sensor


  • Operation: -35..+60 °C
  • Battery charging: -10..+45 °C
  • Storage: 0..+45 °C (recommended)
  • Humidity: 5..90 (non-condensing)

Mechanical data

  • Dimensions (mm, without connections): 97 (W) x 132 (L) x 35 (H)
  • Aluminium/plastic housing
  • Weight: approx. 300g (without accessories)
  • Optional mounting bracket


  • E1 type approval: 2004/104/EC UNECER10-ed3
  • RE Directive, RED 2014/53/EU
  • GSM engine: CE/GCF/FCC/PTCRB