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Barra Radar BLE

Bluetooth®
Battery-powered Bluetooth® radar sensor with millimeter-level precision for level and object detection.
  • Seamless integration with Digital Matter Bluetooth Gateway devices
  • Powered by 2 x AA user-replaceable batteries with 8+ years battery life
  • Easy and secure configuration via companion mobile app (Android & iOS)
  • Suitable for fluid level monitoring, cargo detection, bin fill measurement, and other industrial applications
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Bluetooth® Beacon

Bluetooth® Beacon

Bluetooth® 5.3 Beacon for transmitting sensor data.
Asset Utilization

Asset Utilization

Determine whether an asset is travelling loaded or unloaded with object detection.
Millimeter Accuracy

Millimeter Accuracy

Tune settings to retrieve distance variations down to the smallest increment.
Rugged & Weatherproof

Rugged & Weatherproof

Ultra-rugged and waterproof housing ensures the Barra Radar BLE can withstand impact, fine dust, and brief submersion.
Off-the-Shelf Batteries

Off-the-Shelf Batteries

Powered by user-replaceable, off-the-shelf 2 x AA Lithium or LTC batteries with ‘Battery Low’ and ‘Battery Critical’ alerts.
Wire-Free Installation

Wire-Free Installation

Compact and concealable. Multiple installation options for covertly and easily securing the device to assets with screws, bolts, cable ties, rivets, and more.
High Penetration

High Penetration

Detect objects behind glass, plastic and other non-ferrous materials.
Phone App

Phone App

Change all aspects of configuration via Bluetooth connection to a smartphone with the Barra Radar app.

Product Information

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Resources

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  • Bluetooth® 5.3 Beacon

  • Silicon Labs BGM240P Low Energy Beacon for transmitting sensor data. 

  • Radar Chipset

  • Acconeer A121 60GHz Pulsed Coherent Radar (PCR) 

  • Radar Range

  • Minimum - 150mm
    Maximin - 15000mm 

  • Radar Steps (Resolution)

  • Minimum - 2.5mm
    Maximum - 300mm 

  • Lens Type

  •  Plano Convex 

  • Lens Angle of View

  •  ~15° 

  • Scan Interval

  • Minimum - 1s
    Maximum - 2 hours 

  • Number of Simultaneous Distance Measurements

  •  2 

  • User-Replaceable Batteries

  •  2 x AA. Batteries not included.
    Widely available at most hardware or retail locations. 

  • Supported Battery Types

  • Lithium
    Battery selection is very important. Follow this link to learn more. Please dispose of Lithium batteries in a safe and responsible manner. 

  • Battery Life Estimates*

  • 2-Hour Scan Interval** – 8+ years
    30-Minute Scan Interval** – 8+ years
    5-Minute Scan Interval** – 7+ years 

  • Sleep Current

  •  <20uA
    Average current in lowest power state. 

    * Battery life estimates are influenced by several factors including scan range, scan steps, BLE advertising power, BLE advertising interval, battery selection and more. Battery life calculators are available at support.digitalmatter.com.

    ** Estimates are based on 2 seconds advertisement windows, 8dB advertisement power, scanning for objects starting 1m from the PCB and ending 4m from the PCB. Devices can be configured to scan larger distances with high resolution more frequently which will negatively impact battery life estimates. 

  • Dimensions

  •  149 x 51 x 21 mm (5.9 x 2 x 0.8 in) 

  • Device Weight

  • 117g with Energizer Ultimate Lithium batteries.

  • Housing

  • Non-branded nylon glass housing is suitable for white labeling. 

  • IP/IK Rating

  • Ultra-rugged and waterproof IP68 and IK07-rated housing ensures the device can withstand impact, fine dust, and brief submersion. 

  • Installation

  • Compact and concealable. Multiple installation options for covertly and easily securing the device to assets with screws, bolts, cable ties, rivets, and more. Stainless steel screws provided. 

  • Temperature Range

  • Operating: -30°C to +60°C
    Recommended Storage: 10°C to 30°C, Humidity 30%.
    Store in a cool, dry place. 

  • Diagnostic LED

  •  Diagnostic LED indicates operation status. 

  • Detection Threshold

  • Define two distances to form the min and max detection range for measurements and objects. 

  • Configuration App

  •  Configurable with DM-Link provisioning tool. 

  • Third-Party Integration

  • Sensor data can be obtained by third-party hardware via BLE Advertising Payload. 

  • Data Security

  • Military-grade AES-256 Encryption from device to Companion App to protect the device from being reconfigured/updated by unauthorized users.

Please view our knowledge base for regulatory and network certifications. 

Product Information

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Resources

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Product Variants

Barra Core

NB-IoT

Compact and rugged battery-powered asset tracker with magnetic activation and tamper detection for ultra-low-cost indoor/outdoor visibility.
Barra Edge

LTE-M (Cat-M1) / NB-IoT

Compact and rugged battery-powered GPS tracker with magnetic activation and tamper detection for cost-effective indoor/outdoor asset tracking.
Barra GPS

LTE-M (Cat-M1) / NB-IoT

Compact and rugged battery-powered GPS tracker with magnetic activation and tamper detection for cost-effective outdoor asset tracking.
Barra Radar BLE

Bluetooth®

Battery-powered Bluetooth® radar sensor with millimeter-level precision for level and object detection.

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Protect data integrity with security built into every layer. Devices use AES-256 encryption, key management, and secure authentication. Regular testing and updates help maintain compliance and keep systems secure.

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Technical Support

Support your team with the technical information they need to move quickly and confidently. Access detailed getting started guides, configuration resources, battery recommendations, and more.

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