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  2. Wireless speaker - Wikipedia

    en.wikipedia.org/wiki/Wireless_speaker

    Wireless speakers are composed of two units: a main speaker unit combining the loudspeaker itself with an RF receiver, and an RF transmitter unit. The transmitter connects to the audio output of any audio devices such as hi-fi equipment, televisions, computers, MP3 players, etc. An RCA plug is normally used to achieve this. The receiver is ...

  3. Television transmitter - Wikipedia

    en.wikipedia.org/wiki/Television_transmitter

    A television transmitter is a transmitter that is used for terrestrial (over-the-air) television broadcasting.It is an electronic device that radiates radio waves that carry a video signal representing moving images, along with a synchronized audio channel, which is received by television receivers ('televisions' or 'TVs') belonging to a public audience, which display the image on a screen.

  4. TV Ears - Wikipedia

    en.wikipedia.org/wiki/Tv_ears

    TV Ears’ 5.0 Speaker works like surround sound and brings the sound to the user. Using wireless technology, the speaker provides up to 90 dB of volume, which can accommodate most hearing impairments. The speaker works by plugging the transmitter into the analog or digital ports of the television, cable, or satellite box and uses infrared to ...

  5. Transmitter - Wikipedia

    en.wikipedia.org/wiki/Transmitter

    Commercial FM broadcasting transmitter at radio station WDET-FM, Wayne State University, Detroit, US.It broadcasts at 101.9 MHz with a radiated power of 48 kW.. In electronics and telecommunications, a radio transmitter or just transmitter (often abbreviated as XMTR or TX in technical documents) is an electronic device which produces radio waves with an antenna with the purpose of signal ...

  6. Television channel frequencies - Wikipedia

    en.wikipedia.org/wiki/Television_channel_frequencies

    Channel C was used by a relay transmitter in Glanmire, Co. Cork. Channel B video is the same as Italian Channel A video and Channel C audio is the same as Channel 4 audio. There are currently no Band I Channels used in Ireland (except on cable TV, and these have mostly been phased out for DOCSIS use) and no plans to resume using them.

  7. Wireless HDMI - Wikipedia

    en.wikipedia.org/wiki/Wireless_HDMI

    Wireless HDMI is the wireless transmission of high-definition audio and video signals between devices, using unlicensed radio frequencies like 5 GHz, 60 GHz, or 190 GHz. This technology eliminates the need for an HDMI cable , allowing users to transmit signals wirelessly between the component device and the display device.

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