Net3 RFR
The Net3 RFR provides a wireless remote control for consoles supporting ETCNet3, which includes the Congo Family (Congo, Congo Jr., Congo Kid) and the Eos Family (Eos, Gio, Ion, and Element).
It features a network base station that can be recieve data and power over PoE or directly connected to the the console via USB.
The RFR can boot into a variety of different modes based on the keys held at startup. See here for a list of modes.