GCE Electronics - Bi-directional radio interface 433/868MHz USB RF Player
RFPLAYER - RFP1000 433/868MHz USB transceiver
Receiver USB Dongle for battery-free wireless buttons, 868MHz (Europe)
CHAFON 865Mhz~868Mhz usb reader writer uhf rfid for access control system with sample card provide free sdk ,demo software - Price history & Review | AliExpress Seller - CHAFON Official Store | Alitools.io
Wireless 868 MHz USB Adapter - Wurth Electronics | DigiKey
nanoCUL USB Stick FTDI CC1101 868MHz FW 1.67 and SMA Kink Antenna FHEM CUL 868 | eBay
SX1262 868MHz LoRa HAT for Raspberry Pi – Europe, Africa, Asia — KKSB Cases