Radio frequency module (RF module) is the devices usually used to amplify the signal of cable televisions or other electronic equipments, such as wireless cables, stereo sets, etc. An RF module is configurable by a user to operate in different modes as a transmitter, receiver, transceiver, and repeater. RF module can transmit signal from a long distance and it is stable.
Radio frequency (RF) is a rate of oscillation in the range of about 3 kHz to 300 GHz, which corresponds to the frequency of radio waves, and the alternating currents which carry radio signals. RF usually refers to electrical rather than mechanical oscillations, although mechanical RF systems do exist.
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