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  • NMEA 2000 to Bluetooth, BLE Data Scanner
  • NMEA 2000 to Bluetooth, BLE Data Scanner

NMEA 2000 to Bluetooth, BLE Data Scanner

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Product Description

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The N2K.BT data scanner represents a programmable, high-performance, low-latency, wireless vehicle network adapter for NMEA 2000 applications. It allows any host device with a Bluetooth or BLE COM port to monitor NMEA 2000 data traffic and communicate with the NMEA 2000 network.

The scanner supports user-programmable application parameters, such as:

  • PGN Filters
  • CAN Baud Rate Mode (250k/500k/Automatic)
  • Listen-Only Mode (On/Off)
  • Bluetooth/BLE Device ID
  • UUIDs (BLE only)

These parameters are permanently stored within the scanner module but can be overwritten at any time.

The Bluetooth and BLE capabilities allow an easy connection to tablets and phones running Android or iOS.

The N2K.BT data scanner receives and filters specified PGNs and translates them into a human-readable ASCII string, allowing operation with a simple terminal software while providing a universal and easy-to-establish programming interface. In turn, the data scanner will process data from the host device, for instance, for request messages.

Please feel free to contact us for more information. The expected release date is November 2022, but we can provide prototypes if necessary.


  • CAN Bus Interface - Fully ISO-11898 Compliant
  • Onboard Interface For On-Site Firmware Update
  • Bluetooth port with external antenna
  • Extended Temperature Range of -40C to +85C
  • Input Power Range of 7 VDC to 36 VDC
  • Flame Retardant ABS Enclosure 3.29 x 2.42 x 1.00 in / 83.57 x 61.47 x 25.40 mm
  • Environmentally friendly, RoHS compliant


  • CAN Interface
    • CAN Controller integrated in microcontroller
    • Fully ISO 11898-compliant
    • Supports CAN 2.0A And CAN 2.0B
    • Automatic CAN Bus Baud Rate Detection 250/500 kBaud according to SAE J1939-16
  • Bluetooth Connection
    • 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

Note that the data scanner board does not support NMEA 2000 protocol features. It merely translates PGN data in both direction with focus on data scanning rather than simulating NMEA 2000 data traffic. 

CAN Port

NMEA 2000 to Bluetooth, BLE Data Scanner

The NMEA 2000 port is accessible via a Micro-C connector (M12 5-pin).

NMEA 2000 CAN Bus & Power Connection

CAN Bus Termination Resistor

The J1939.BT gateway comes per default with a 120 Ohm termination resistor activated. To deactivate the resistor, open the enclosure and locate the pin jumper as indicated in below image.

N2K Termination Resistor Jumper

NMEA 2000 Scanner - Wireless Protocol

Connecting Bluetooth to a Windows PC

Connecting Bluetooth to an Android Device

Automatic CAN Baud Rate Detection

The J1939.BT.SCANNER data scanner provides automatic CAN Bus baud rate detection according to SAE J1939-16 Automatic Baud Rate Detection Process, which requires some special attention when connecting the device to a network. For more information see our posts: 

In accordance to SAE J1939-16 Autobaud, the device is considered to be classified as Adjustable Baud Rate PI-ECU (PI = Permanently Installed). The device remains in Silent Mode indefinitely until it detects a valid J1939 data frame.

More Resources 

Getting Started with Bluetooth Low Energy: Tools and Techniques for Low-Power NetworkingGetting Started with Bluetooth Low Energy: Tools and Techniques for Low-Power Networking

With Bluetooth Low Energy (BLE), smart devices are about to become even smarter. This useful guide shows how this impressive wireless technology helps developers create mobile applications that share data with external hardware and how hardware engineers can obtain easy and reliable access to mobile operating systems.

This book renders a reliable, high-level overview of how devices use BLE to communicate with each other. You learn about valuable low-cost tools for developing and testing BLE-enabled mobile apps and embedded firmware and get examples using various development platforms, including iOS and Android for app developers and embedded platforms for product designers and hardware engineers.

  • Understand how data is organized and transferred by BLE devices
  • Explore BLE’s concepts, key limitations, and network topology
  • Dig into the protocol stack to grasp how and why BLE operates
  • Learn how BLE devices discover each other and establish secure connections
  • Set up the tools and infrastructure for BLE application development
  • Get examples for connecting BLE to iPhones, iPads, Android devices, and sensors
  • Develop code for a simple device that transmits heart rate data to a mobile device

More Information...

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