ltunify | Tool for working with Logitech Unifying receivers and devices on openSUSE – CubicleNate's Techpad
3+ tested fixes for Logitech unifying receiver poor range issues
Logitech latest Version Genuine Tiny Unifying General Receiver Dongle Connect up to Six Devices for Logitech mouse mice keyboard|unifying receiver dongle|logitech donglemouse dongle - AliExpress