PRELIMINARY
Digi m-Trak® 375
Wireless Tracking and OBD-II Enabled Transceiver
Intelligent device for real-time tracking and monitoring of
mobile and fixed assets. OBD-II enabled for monitoring
in-vehicle parameters.
Overview
Digi m-Trak 375 is a next-generation evolution of the
Digi m-Trak 275. In addition to asset/vehicle tracking, it
offers a vehicle OBD-II interface and micro-SD card for
black box data storage. Digi m-Trak 375 can monitor and
update predefined events such as geo-fencing, temperature,
route monitoring, over-speeding and in-vehicle parameters
monitoring.
Application Highlight
This intelligent device includes a cellular modem, GPS
transceiver, built-in antennas, OBD-II interface, lithium ion
battery backup and micro-SD card. It supports industrial
operating temperature and operational shock/vibration
specifications, meeting SAE J1455 requirements.
Digi m-Trak 375 may be connected with an optional message
unit accessory, enabling the sending of predefined messages
and/or voice calls to a predefined destination, as well as calls
during an emergency.
Digi m-Trak 375 is easy to program and customise with
iDigi® Dia/Python via the Digi ESP™ Integrated Development
Environment, and seamlessly integrates with the iDigi platform.
Features/Benefits
• OBD-II vehicle bus interface
• Black box data support
• Customisable platform via iDigi Dia/Python using Digi ESP
Target Applications
• Low power consumption
• Industrial operating temperature
• Sleek, vibration resistant IP54 rated enclosure
• Lithium ion battery backup
• Monitors operating health, performance, location and driver behaviour
Transportation
Remote Device
Management
• Supports GPRS cellular networks
• Remote device lock/unlock, vehicle immobilise
www.digimtrak.com
Specifications
Digi m-Trak® 375
GPS
Receiver
Integrated 32-channel GPS receiver, -161 dBm sensitivity
Antenna
Internal built-in
Provision for external antenna; Auto detect; Short circuit protected
External antenna: Noise figure <1.5 dB and gain 16 dB including cable loss
Connector
MMCX
Cold Start
< 45 seconds TTFF (90%)
Horizontal Accuracy
< 10 meters (90%)
Cellular
GSM/GPRS
900-1800 MHz or 850-1900 MHz (Quad band), GPRS class 10
Antenna
Internal built-in (external provision on request)
External Interfaces
Serial
RS-232 serial interface for debug/user
2 digital input, 1 digital input/output
Message unit (refer to accessories section for details)
Digital Interfaces
Power
I/P Current through OBD Connector
250 mA@12V (with internal battery charging)
Protection
Load dump, reverse polarity, overvoltage, transients (SAE J1455), EMI/EMC (CISPR-25), ESD (IEC6100-4-2)
Low-Power Modes
Available with sleep currents < 1mA
Battery Backup
Internal lithium ion 3.7V @ 1.1AH (hours) with power management feature enabled
Custom Application Development
Processor and Memory
WMP100, 8 MB flash and 16 MB PSRAM; Additional memory: 8 MB flash; Optional 2GB Micro-SD card for black box data logging
Operating System
Open AT
Development Environment
ECLIPSE, Python scripting enabled
Mechanical
Enclosure
PC/ABS plastic (IP54)
Dimensions (L x W x H)
138 mm x 86 mm x 32 mm (5.4 in x 3.4 in x 1.3 in)
Weight (approx.)
250 g (8.8 oz) - External cable harness not included
Environmental
Operating Temperature
-20° C to +65° C (-4° F to +149° F) with internal lithum ion battery*
Storage Temperature
-40° C to +85° C (-40° F to +185° F)
Relative Humidity
0% to 95% (non-condensing) (SAE J1455)
Shock, Vibration and Damp Heat
As per SAE J1455
Accessories
Message Unit
SOS/Emergency, 3 predefined messages, 3 predefined voice calls, headset connectivity with volume control, DID
Applications
Geo-fencing, route monitoring, over-speed monitoring, in-vehicle parameters monitoring
* -40° C to + 85° C (-40° F to +185° F)
without internal lithum ion battery
Visit www.digimtrak.com for part numbers.
DIGI SERVICE AND SUPPORT - You can purchase with confidence knowing that Digi is here to support you
with expert technical support and a strong one-year warranty. www.digi.com/support
Digi m2m Solutions India Pvt. Ltd
Digi Wireless Singapore Pte. Ltd.
+91-80-4151-2000
info@digi.com
+65-6423-0015
info@digi.com
© 2011 Digi International Inc.
All rights reserved. Digi, Digi International, the Digi logo, the Making Wireless M2M Easy logo, Digi ESP, Digi m-Trak and iDigi are
trademarks or registered trademarks of Digi International Inc. in the United States and other countries worldwide. All other trademarks are
the property of their respective owners. All information provided is subject to change without notice.
91001680
A1/111