The e-magazine for KNX home & building control

Lesswire Launches KBear Embedded KNX-RF Module

The KBear from Lesswire is a compact industrial-grade QFN wireless OEM module with embedded KNX-RF protocol and outstanding performance. It supports communication distances of about 500m in line of sight. It has a UART interface for serial communication and configuration as well as a one-pin antenna connection.

The KBear module is certified for operation under the European radio regulations for license-free use. With dimensions of 20x20x2.9mm, the module is easy to integrate.


Low-cost OEM RF module (868MHz).
Embedded KNX-RF wireless protocol.
Range: up to 500 metres line-of-sight.
Compact dimensions, 20x20x2.9mm.
UART interface for communication and configuration.
Listen Before Talk (LBT) enhancing RF communication quality.
Wide supply voltage range, 2.0 – 3.6V.
No external components except antenna required.
Also available as USB stick.


Home automation.
Building automation.
Used in products.
Smoke detectors.

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