1.5 Metres Original Usb Cable Logitech Usb 2.0 Extension Cable Female To Male Stand Extension Line Receiver Extender Cable - Pc Hardware Cables & Adapters - AliExpress
Troubleshooting Pairing of the RF Wireless Extender(s)
Logitech Harmony Remote RF Wireless Extender 915-000044 - NOS - Everything There 97855045157 | eBay
Logitech USB Dongle Extender - Works with Unifying Receiver