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PHOSCON - Universal Zigbee 3.0 USB gateway Matter over Thread + Bluetooth




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Unify your home automation installation with the ConbeeIII USB Zigbee 3.0 Matter over Thread + Bluetooth gateway.

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What’s new

The shipping firmware supports Zigbee 3.0 and Zigbee Green Power devices. An OpenThread Border Router firmware will be made available as a tech preview soon.

  • Modern SiLabs EFR32MG21 micro controller
  • Custom Zigbee 3.0 and Zigbee Green Power firmware
  • Bluetooth Low Energy (BLE) for future Thread and Matter applications
  • Integrated push button for service functions


The ConBee III is compatible with a wide range of lights, switches and sensors from Philips Hue, Ikea Tradfri, Xiaomi Aqara, Ledvance Smart+, Silvercrest, Schneider Electric, Nous and Sonoff..

Platform independent

The ConBee III transforms mini computers such as Raspberry Pi as well as PCs and laptops into universal Zigbee gateways.

Easy platform migration

Using the Phoscon App backup function it is possible to transfer a Zigbee installation to a new system. For example, you can migrate an existing setup from a Raspberry Pi to a more powerful Intel NUC.

Home Automation Systems

The ConBee III has been integrated into the most popular Smart Home systems by the community.

The powerful integration allows exciting automations and functions. For example, any Zigbee device can be used with HomeKit via Homebridge-hue.


  • Unites Zigbee devices of many vendors
  • A cloud free solution
  • High range of up to 30 m in buildings and 200 m in open field
  • Works with popular Home Automation Systems


  • Microcontroller: EFR32MG21 ARM® Cortex®-M33
  • Rated voltage: DC 5.0 V
  • Transmission power max.: 10 mW
  • Signal range: 200 m in free line of sight
  • Radio frequency: 2.4 GHz
  • Radio standard: IEEE 820.15.4 / Zigbee 3.0
  • Flash memory: 1024 kByte
  • Storage temperature: -20 °C to 55 °C
  • Operating temperature: -20 °C to 55 °C
  • Operating systems: Microsoft Windows 7 / 10 / 11, Ubuntu, Raspberry Pi OS / Raspbian, Docker
  • Dimensions: 60 mm × 18 mm × 9 mm
  • SKU: 600115
  • EAN: 4260350821366