2/19/2023 0 Comments Square cb antenna booster![]() ![]() Microphone gain can be thought of as a volume control for your microphone. What's The Difference Between RF Gain and Microphone Gain? To maintain a conversation with someone whose signal is fading, you can turn the squelch down and also turn the gain up to give you a somewhat longer range to finish your talk. As vehicles travel closer to you, the signals will get stronger and louder due to their proximity. That eliminates the choppy signals that a squelched radio produces, but it still allows the distant signals to come in. Some truckers turn the squelch on a CB radio all the way off, turn the RF gain on a CB radio all the way on, then dial back the RF gain control until almost all the noise disappears. If you want to focus on the transmissions closest to you, turn the CB radio RF gain clockwise until only the strongest (closest) signals remain. So, if you want to hear a transmission from farther away, keep the gain almost wide open. That means you'll hear less "noise" - usually the most distant signals will disappear. When you crank up the squelch, you'll hear only the signals closest to you - the ones that are the strongest. Without getting technical, CB RF gain can be thought of as another way to "squelch" noise without using the CB squelch, or in conjunction with the squelch. It reduces noise in the receiver without reducing reception power as a CB radio squelch does. To counteract noise, RF gain acts as a sensitivity filter. Noise interferes with signals and it comes from the atmosphere, other nearby channels that overlap slightly, and environmental surroundings. It describes the wireless communication of signals through the air rather than through wires like a plug-in home phone. RF is used as a synonym for "radio," in this case a CB radio. ![]()
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