BRAND NEW in Factory Plastic Bag With Room Stickers With Batteries Original RC66RX RF/IR DIRECTV Remote Controls. The RC66RX Remote Control Will Work On These DirecTV Receivers:H20, H21 ...
Such remotes neither have to be aimed, nor even be in the same room, but they require a base station that accepts the RF and converts it to IR (see RF remote control). See Wi-Fi remote control.
video and other electronic equipment using radio frequency (RF) transmission. Unlike the common infrared (IR) remotes, RF remotes do not have to be aimed at the equipment. THIS DEFINITION IS FOR ...
While you might think that switching from RF to IR control would be a step backwards, [Gary] really just wanted to consolidate remotes more than anything else. He designed a circuit board ...