- antenna: n. (pl. -nae , ant ...
- amplifier: n. 1.【电学】扩大器；扩音器。 ...
- at antenna: 天线
- Grading standard of quelity for antenna amplifier used in cabled distribution systems primarily intended for sound and television signals operating between 30mhz and 1ghz
In electronics, an antenna amplifier, also called antenna preamplifier, antenna preamp or antenna booster, is a device that amplifies an antenna signal, usually into an output with the same impedance as the input impedance.