868mhz Usb Port Wireless Repeater, Data Transmitter Receiver Rf Module Kit (1pc Snr613+sw433-zt100 Straight Rod Antenna) - Communications Parts - AliExpress
2pcs/lot 3km 433mhz Usb 500mw Wireless Transmitter And Receiver Rf Module Kit (sv653+sucker Antenna) - Fixed Wireless Terminals - AliExpress
Hörmann Funkempfänger 3-Kanal-Empfänger HEI 3 868MHz BiSecur 436720
GCE Electronics - Bi-directional radio interface 433/868MHz USB RF Player
868 MHz controllers? - Hardware - Home Assistant Community
Funk-Module für den Raspberry Pi zur Hausautomation