Universal remote controls for TV typically use infrared (IR) signals to operate televisions, receivers, streaming devices, cable boxes, and other AV equipment. Some models also use radio frequency (RF) through a compatible base station or Wi-Fi for broader system control, which can help operate equipment inside cabinets or in another room without pointing the remote directly at it.

Infrared (IR) sends commands directly to the TV and usually requires line of sight, while radio frequency (RF) can control compatible devices through walls or cabinet doors when paired with a compatible base station. Wi-Fi connects the remote to the home network and can support broader system control, two-way communication, or voice integration on compatible systems.

When choosing universal remote controls for TV, compare programmable buttons, touchscreen or LCD layouts, infrared (IR) control, radio frequency (RF) or Wi-Fi connectivity, and the battery type and charging method. Also consider whether the remote can control other A/V devices, work through cabinet doors or walls with a compatible base station, and support the programming level your installation requires.

For a single-room system, universal remote controls for TV typically require programming for the TV and connected AV devices, with infrared control using line of sight. Whole-home systems may require a compatible RF or Wi-Fi base station, advanced system controller, network setup, and professional programming to operate devices across rooms or integrate smart home functions.