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  • jCOM.ELD.BT SAE J1939 / OBD-II Electronic Logging Device With Bluetooth
  • jCOM.ELD.BT SAE J1939 / OBD-II Electronic Logging Device With Bluetooth

SAE J1939 / OBD-II Electronic Logging Device With Bluetooth

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Product Description

For more detailed information, please feel free contact us through this website or call 413-475-3651.

The jCOM.ELD.BT device is an OEM Product, i.e. we at Copperhill Technologies will modify the device's firmware according to your application needs. We build applications through access to a vast software library that allows us to provide fully functional prototypes within shortest times. Our strengths, skills, and passions include embedded hardware and software development, rapid prototyping, and manufacturing support. We will guide you through the entire project cycle from development to finished product and beyond.

  • The product is currently only available in higher volumes.
  • We at Copperhill Technologies provide a firmware according to customer specification.

In the long run, we are planning to derive other products using the same hardware. These products will most likely include a generic J1939/OBD-II data logger and a J1939/ODB-II to Bluetooth gateway, and each product will come with several options such as memory capacity, wireless capabilities, etc.


  • ARM Cortex-M3 Processor
  • CAN Bus Interface
  • Fully certified low-power Bluetooth Version 2.1 Module (with or without external antenna)
  • RS232 Interface For On-Site Firmware Upload and/or Gateway Functionality
  • SD Card Slot for Data Storage (optional)
  • GPS module (optional, with or without external antenna)
  • SAE J1939 Protocol Stack (optional)
  • Extended Temperature Range of -40C to +85C (-25C to +85C with SD Card)
  • Input Power Range of 7 VDC to 36 VDC
  • Flame Retardant ABS Enclosure 4.25 x 3.00 x 1.38 in / 107.95 x 76.20 x 35.05 mm
  • Environmentally friendly, RoHS compliant


  • CAN Interface
    • CAN Controller integrated in microcontroller
    • Fully ISO 11898-compliant
    • Supports CAN 2.0A And CAN 2.0B
    • Bit rate up to 1 Mbit/s
  • Bluetooth
    • Fully certified Bluetooth version 2.1
    • Backwards-compatible with Bluetooth version 2.0, 1.2, and 1.1
    • Low power: 26 µA sleep, 3 mA connected, 30 mA transmit
    • Bluetooth SIG certified
    • Certifications: FCC, IC, CE
    • Two antenna options available: PCB trace and external antenna
    • Delivers up to 3 Mbps data rate for distances up to 20 meters (~60 feet)
    • Optional upgrade to support distances up to 100 meters (~300 feet)
  • GPS
    • Receiver type: 56 channels, GPS L1(1575.42Mhz) C/A code, SBAS:WAAS/EGNOS/MSAS
    • Horizontal position accuracy: 2.5mCEP 
    • Navigation update rate:5 Hz maximum (1HZ default)
    • Capture time: Cool start: 27s (fastest);Hot start: 1s
  • SD Card
    • FAT32 File system for maximum compatibility with the widest range of devices
    • 4 GB maximum file size, 8 TB maximum partition size
  • SAE J1939 Protocol Stack (Optional)

Possible Applications

  • CAN-RS232 Gateway (w/o Bluetooth module)
  • CAN-Bluetooth Gateway
  • J1939-RS232 Gateway (w/o Bluetooth module)
  • J1939-Bluetooth Gateway
  • Electronic Logging Device (ELD Rule/Mandate)
  • CAN/OBD-II/J1939 Data Logger
  • Data Recording and Display Under Android or iOS

Other Resources


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