In our testing, even walking between the transmitter and receiver seemed to disrupt the signal. Models that use Wi-Fi, like the Actiontec My Wireless TV, are less common.

[Joel] has a remote control ceiling fan. It’s nothing special, the controller has a low-power 350MHz transmitter and a Holtek encoder to send commands by keying the transmitter’s output… ...

The vastly improved Siri Remote that ships with the fourth-generation Apple TV includes dedicated volume buttons, which can be programmed to control volume levels on TVs and receivers, even via ...