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2. Family Radio Service - Wikipedia

   en.wikipedia.org/wiki/Family_Radio_Service

   Motorola T5320 FRS handheld radio. The Family Radio Service (FRS) is an improved walkie-talkie radio system authorized in the United States since 1996. This personal radio service uses channelized frequencies around 462 and 467 MHz in the ultra high frequency (UHF) band.

3. The 7 Best HDTV Antenna Amplifiers of 2023 For a Better Signal

   www.aol.com/lifestyle/best-high-definition-tv...

   LNA-100 Boost Antenna Amplifier. If you’re looking for an antenna amplifier that's easy to set up and minimizes wires in your house, the Winegard LNA-100 Boost is an ideal choice.

4. General Mobile Radio Service - Wikipedia

   en.wikipedia.org/wiki/General_Mobile_Radio_Service

   GMRS radios are typically handheld portable (walkie-talkies) much like Family Radio Service (FRS) radios, and they share a frequency band with FRS near 462 and 467 MHz. Mobile and base station-style radios are available as well, but these are normally commercial UHF radios as often used in the public service and commercial land mobile bands ...

5. Klystron - Wikipedia

   en.wikipedia.org/wiki/Klystron

   The simplest klystron tube is the two-cavity klystron. In this tube there are two microwave cavity resonators, the "catcher" and the "buncher". When used as an amplifier, the weak microwave signal to be amplified is applied to the buncher cavity through a coaxial cable or waveguide, and the amplified signal is extracted from the catcher cavity.

6. MFJ Enterprises - Wikipedia

   en.wikipedia.org/wiki/MFJ_Enterprises

   MFJ Enterprises, founded in 1972 by Martin F. Jue, is a manufacturer of a broad range of products for the amateur radio market. They specialize in station accessories, such as antenna tuners and antenna switching equipment. As of 2014, MFJ was responsible for manufacturing more amateur radio products than any other company in the world. [2]

7. Pan-American television frequencies - Wikipedia

   en.wikipedia.org/wiki/Pan-American_television...

   The Pan-American television frequencies are different for terrestrial and cable television systems. Terrestrial television channels are divided into two bands: the VHF band which comprises channels 2 through 13 and occupies frequencies between 54 and 216 MHz, and the UHF band, which comprises channels 14 through 36 and occupies frequencies between 470 and 608 MHz.