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.

Share on facebook
Share on twitter
Share on linkedin


Products of the month

KNX Switch Actuators Upgrade

KNX Switch Actuators Upgrade
The new ABB ETS App Version 1.1 has a pack of new features empowering the switch actuator range further ...

thePixa Optical Presence Detector

thePixa Optical Presence Detector
Theben's thePixa KNX optical presence detector detects how many people are in a room and where exactly they are ...

Conventional becomes smart

Conventional becomes smart
No dirt, no noise, no bus line – the classic electrical installation is sufficient: the new JUNG KNX RF push-buttons ...

AVE’s KNX room controller

AVE’s KNX room controller
Ideal for home and hotel, AVE Room Controller is a high-design solution with OLED display and touch controls, which ...