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Open Firmware

Open firmware. Built in Germany.

culfw & a-culfw – flash it, own it.

Sub-GHz Wireless

433 & 868 MHz. One USB stick.

CUL – the open transceiver for home automation.

Our Latest Products View All

CUL32 – CC1101 USB/WiFi radio stick 868 MHz (ESP32-C6)

CUL32 – CC1101 USB/WiFi radio stick 868 MHz (ESP32-C6)

44,00 €incl. VAT, plus shipping

TULX – bus-powered TPUART module (KNX/EIB)

TULX – bus-powered TPUART module (KNX/EIB)

49,00 €incl. VAT, plus shipping

TUL – TPUART USB module (KNX/EIB)

TUL – TPUART USB module (KNX/EIB)

44,00 €incl. VAT, plus shipping

EUL – EnOcean USB/WiFi stick (TCM515)

EUL – EnOcean USB/WiFi stick (TCM515)

54,00 €incl. VAT, plus shipping

EUL – EnOcean USB-Stick
868 MHz Gebäudefunk (TCM515)
AI-generated image
CC1101 Funkmodul
868/433 MHz Transceiver
AI-generated image
ESP32-C6 Coordinator
Zigbee / Thread / Sub-GHz
AI-generated image
SCC für Raspberry Pi
CC1101 868 MHz aufgesteckt
AI-generated image

Sub-GHz radio, done right.

CUL transceivers and open firmware for local home automation – 433 & 868 MHz, no cloud.

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