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Communication Modes: GPRS/EDGE/HSPA and CDMA 1xRTT packet data, UDP and SMS

Location Technology: 50 channel GPS

Operating Voltage: 12 and 24 volt vehicle systems


Location Technology: GPS

Enhancement Technology: SBAS: WASS, EGNOS, MSAS, GAGAN


Fully certified: Fully certified FCC, CE, IC, PTCRB, Applicable Carriers


Digital Ignition Inputs: 1 fixed bias

Digital Inputs: 7 (high/low selectable 0-30 VDC)

Digital Outputs: 5 (open collector relay 150mA)

Current Limited Outputs: 2 (20mA)

A/D Inputs: 4 (0-30 VDC, +/- 0.1V accuracy)

1-Wire® Interface: 2 (driver ID, temperature sensors)

Status LEDs: GPS and Cellular


  • External antennas (GPS, cellular, combined GPS/cellular)
  • Serial adapter cable RS-232 8-wire (PPP, AT commands, NMEA GPS output)
  • External J1708/J1939 truck ECU harnesses
  • Connectorized I/O wiring harnesses
  • Built-in or external battery batteries


WiFi: 802.11 b/g/i

jPOD™ Truck: J1708, J1939


Temperature: -30° to +75° C (connected to primary power)
-40° to +85° C (storage)

Humidity: 95%RH @ 50° C non-condensing Shock and Vibration U.S. Military Standards 202G and 810F

EMC/EMI: SAE J1113 SAE J1455


Dimensions: 4.3” x 3.3” x 1.3”, (110 x 81 x 33mm)

Weight: 4.7oz, (130g)

Enclosure: Rugged textured plastic enclosure


Operating Voltage: 7-32 VDC (momentary)
9-30 VDC (start-up, operating)

Power Consumption: 3.3mA


Standard tie-wrap, adhesive, velcro, or Screw mounting bracket


RDD4250 product has the features, expandability, and flexibility with the intelligence to meet all the customer’s ever changing needs in fleet management. The RDD4250 offers a full set of features, comprehensive I/O system expandable accessories that make it an industry leading value proposition. The RDD4250 allows for a lower cost of delivering, supporting, and growing, fleet management solutions.

The RDD4250 is designed to support customers needing an array of vehicle interfaces. For example, the serial ports supply switchable power at selectable voltages to ease the installation or peripheral data device. The integrated jPOD™ vehicle interface reads and transmits heavy-duty engine condition and performance data such as engine temperature along with the fault codes to provide the best possible real-time picture of vehicle health. In addition, the RDD4250 offers a WiFi version as an alternate broadband communication.

Key Features

  • GSM/GPRS, CDMA, 1xRTT, or HSPA configurations
  • Dual reporting 20,000 buffered message log
  • Built-in 3-axis accelerometer for driver behavior, motion sensing, hard braking and impact detection
  • High sensitivity GPS
  • 32 Built-in geo-fences, plus any combination of circle or polygon zones, up to 5400 points
  • Garmin®, MDT, and other advanced peripherals support
  • Power management sleep modes
  • Comprehensive I/O
  • Dual Switched power serial ports
  • 7 inputs, 5 outputs, 4 A/D Inputs
  • 2 1-Wire® interfaces