Digital Matter


GPS tracking device and Bluetooth® Gateway with optional Iridium Satellite for out-of-coverage tracking with inputs/outputs, RS-232 Interface, and remote immobilization for fleet management, driver ID, driver safety and behavior monitoring, remote worker safety, theft recovery, and more

  • High-precision GPS/GLONASS tracking device wired to vehicles or equipment
  • Internal Backup Battery in case of loss of power or tampering
  • 1 x Analog Input, 6 x Digital Inputs, 2 x Switched Ground Digital Outputs, 1 x Ignition Digital Input, Switched Power Out
  • RS-232 Interface to connect optional Iridium Edge® Module or interface with controllers and sensors
  • Configure iButton®, RFID readers and Wiegand Interface for Driver ID
  • Accident and rollover detection, speeding, harsh braking, and more
  • Built-in Buzzer for in-cab alerts



The G120 is available in either Cellular 2G or LTE-M / NB-IoT
Optional Iridium Satellite

2G 2G: SARA-G350-02S-01
850/900/1800/1900 MHz
LTE-M / NB-IoT uBlox SARA-R410M Modem operates on all major global LTE-M and NB-IoT bands.
Supported LTE bands: 1*, 2, 3, 4, 5, 8, 12, 13, 18, 19, 20, 26*, 28 (*roaming bands)
Bluetooth® 5.0 Gateway Bluetooth® 5.0 gateway reports nearby Bluetooth® tags and sensors for affordable tagged asset management and sensor monitoring.
SIM Size & Access Internal Micro 3FF SIM



Module uBlox EVA-M8
Constellation Concurrent GPS / GLONASS
Channels 72 Channel High Sensitivity Receiver
Tracking Sensitivity -167dBm industry-leading tracking performance
*Location Accuracy ~2.0m CEP, 50%, 24 hours static, GPS, SBAS, -130dBm, > 6SVs
GNSS Assistance GNSS almanac data for greater sensitivity and position accuracy
Low Noise Amplifier GPS signals are boosted by a unique low-noise amplifier (LNA) allowing operation where other units fail



Input Voltage 8-45V DC (max)
Self-Resetting Fuse Built-in self-resetting fuse makes installation simple and safe. Stringent automotive power “load dump” tests are conducted to ensure operation in the harshest electrical systems.
Operating Current ~25/50mA when moving
~150mA battery charging
Sleep Current <2mA
Back-Up Battery 1100mAh LiPo internal backup battery pack



Dimensions 127 x 81 x 33 mm (5.00 x 3.19 x 1.30″)
Weight 250 g (8.82 oz)
Housing ABS Polycarbonate Plastic. Non-branded housing for optional white-labeling.
Installation 24 Pin Connector provided as standard.
Operating Temperature -30°C to +60°C (connected to external power)
At < 0°C and > +40°C the internal backup battery will not be charged as a safety precaution due to the dangers associated with charging batteries at extreme temperatures.
Cellular Antenna Internal
GPS Antenna Internal
RF Antenna Internal
3-Axis Accelerometer 3-Axis Accelerometer to detect movement, high G-force events, and more
Diagnostic LED Diagnostic LED indicates operation status
Flash Memory Store weeks of records if device is out of cellular coverage. Storage capacity for over 10 days of continuous 30-second logging.
Internal Buzzer Internal buzzer fitted for audible alerts for speeding, harsh driving, driver ID reminders, error conditions, input feedback, and other events



Analog Inputs 1 x 0-30V Analog Inputs,
Auto Ranging, 12-bit ADC
0-5V range: 1.22mV precision
0-30V range: 7.32mV precision
Digital Inputs 6 x Digital Inputs with configurable pull-up/down
0-48V DC input range
On/Off thresholds:
Pull-up enabled: low at 0.8V, high at 1.0V
Pull-down enabled: low at 2.0V, high at 2.4V
Digital Outputs 2 x Switched Ground Digital Outputs
Easily wired up to switch external lights, relays, buzzers etc.
Can be used to immobilize a vehicle
Ignition 1 x dedicated ignition digital input 0-48V DC
5V on/off threshold
RS-232 Can be used to connect Iridium Edge® Module or interface with controllers and other sensors.
Switched Power Out Outputs are either 5V (external power connected) or Vbatt (no external power) Maximum current: 400mA
The G120 can provide power to external peripherals, eliminating the need for additional external power supplies.
TLL Interface Serial interface used to connect a Digital Matter RFID reader for Driver ID
Wiegand The G120’s Wiegand Interface enables easy integration with a variety of RFID card types and readers.
Existing employee access badges or IDs can be used with a Wiegand reader for driver ID, permission-based actions, and theft prevention, eliminating the hassle of issuing additional ID cards or fobs.
1-Wire® or iButton® 1-Wire® or “iButton®” can be used to read Driver ID tags. Readers available to suit multiple card formats.



Auto-APN Auto-APN allows the device to analyze the SIM card and select the correct APN details from a list that is pre-loaded in the device’s firmware
Accident & Rollover Detection Configure accident and rollover alerts triggered by extreme changes in velocity and orientation of vehicle or equipment. Second-by-second GPS data is saved on the device’s flash memory, with a capacity of approximately 2 hours of data. In the event of an accident, a subset of the data (60 seconds before / 10 seconds after) is uploaded to the server automatically (if configured) or can be requested manually for a detailed reconstruction of the incident.
Driver ID Options RFID, iButton® or Wiegand interface for Driver ID, access control, and logbooking.
Wiegand interface supports many third-party readers to read nearly any ID card type.
Driver Safety & Behavior Monitor speeding, harsh acceleration, braking, cornering, idling, and more to improve safety and prevent unnecessary wear on vehicles
Geofence Alerts The server can use device location to create geofences and alerts if an asset enters or leaves designated locations
Geofence Download to Device Geofences can be downloaded directly to the device from Telematics Guru for enhanced location-based actions and alerts.
Maximum of 750 Geofences with up to 100 points per geofence.
GPS Jamming Detection GPS Jamming or Interference can be detected and alerted on
In-Vehicle Alerts Can be wired up to external buzzers or lights for in-vehicle alerts. Also features Built-in-Buzzer for alerts
Lone Worker Safety Interface a variety of duress pendants to enable man-down alerts for lone worker safety monitoring
Out-of-Cellular-Coverage Tracking Fit the G120 with an optional Iridium Edge® Module using the RS232 connection to track assets in remote areas outside of cellular coverage
Preventative Maintenance Set reminders based on distance traveled and run hours to reduce maintenance and repair costs
Real-Time Tracking Device remains continuously connected while on the move for real-time asset tracking
Remote Immobilization Digital outputs can be connected to a relay to enable remote immobilization of vehicles and equipment in the case of theft, abuse or unauthorized usage
Remote Worker Safety Interface a variety of duress pendants to enable man-down alerts for remote (out-of-coverage) worker safety monitoring.
*Requires Iridium Edge® Module
Run Hour Monitoring Calculate run hours and distance traveled (odometer) to understand and optimize asset utilization
Sensor Monitoring Interface with a range of devices and switches for seatbelt detection, duress and panic buttons, lights, in-cab warning buzzers, and more
Tamper Alerts Instant alert if the device is removed from your asset or disconnected from its power source
Theft Recovery Switch to Recovery Mode in the case of theft or loss to activate real-time tracking for asset retrieval



Flexible Configuration Configure device parameters such as position update rate, movement and accelerometer settings, and more
Device Management Platform Manage, monitor, configure, debug, update, and restart devices remotely from our cloud-based device management system
Configuration App Configurable with DM-Link provisioning tool



Third-Party Integration TCP Direct or HTTPS Webhook



Data Security Military-level AES-256 Encryption from device to Device Management Platform to protect the integrity and confidentiality of telematics data. Data forwarded to third-party systems is sent via HTTPS for end-to-end security.



Manufacturer’s Warranty Two-year manufacturer’s warranty. Exclusions apply.



Please visit our knowledge base for a full list of compliance specifications and documentation for your region. LTE-M / NB-IoT – FCC, ISED, Bluetooth® Certified, CE (DoC)
2G – Bluetooth® Certified, CE (DoC)



*Positioning accuracy specifications are provided by the GNSS supplier and reflect ideal conditions. Device configuration, installation, environmental conditions, augmentation services, and many other factors may lead to variations in positioning accuracy.