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2. Antenna amplifier - Wikipedia

   en.wikipedia.org/wiki/Antenna_amplifier

   In electronics, an antenna amplifier (also: aerial amplifier or booster) is a device that amplifies an antenna signal, usually into an output with the same impedance as the input impedance. Typically 75 ohm for coaxial cable and 300 ohm for twin-lead cable. An antenna amplifier boosts a radio signal considerably for devices that receive radio ...

3. Signal strength in telecommunications - Wikipedia

   en.wikipedia.org/wiki/Signal_strength_in...

   In telecommunications, [1] particularly in radio frequency engineering, signal strength refers to the transmitter power output as received by a reference antenna at a distance from the transmitting antenna. High-powered transmissions, such as those used in broadcasting, are expressed in dB-millivolts per metre (dBmV/m).

4. Cellular repeater - Wikipedia

   en.wikipedia.org/wiki/Cellular_repeater

   A cellular repeater (also known as cell phone signal booster or cell phone signal amplifier) is a type of bi-directional amplifier used to improve cell phone reception. [citation needed] A cellular repeater system commonly consists of a donor antenna that receives and transmits signal from nearby cell towers, coaxial cables, a signal amplifier, and an indoor rebroadcast antenna.

5. Broadcast relay station - Wikipedia

   en.wikipedia.org/wiki/Broadcast_relay_station

   NHK digital television, KRY, TYS and YAB transmitter in Iwakuni. A broadcast relay station, also known as a satellite station, relay transmitter, broadcast translator (U.S.), re-broadcaster (Canada), repeater (two-way radio) or complementary station (Mexico), is a broadcast transmitter which repeats (or transponds) the signal of a radio or television station to an area not covered by the ...

6. Signal booster - Wikipedia

   en.wikipedia.org/wiki/Signal_booster

   A signal booster is a system which increases, or appears to increase, the power of a radio signal. The term may refer to: Radio repeater; Relay transmitter;

7. Multiple sub-Nyquist sampling encoding - Wikipedia

   en.wikipedia.org/wiki/Multiple_sub-Nyquist...

   [22] [23] Hi-Vision signals are analog component video signals with 3 channels which were RGB initially, and later YP b P r. The Hi-Vision standard aims to work with both RGB and YP b P r signals. [14] [24] [25] Key features of the MUSE system: Scanlines (total/active): 1,125/1,035 [5] Pixels per line (fully interpolated): 1122 (still image ...