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Understanding Sub-Audio Signaling in Two-Way Radios

When using walkie-talkies, do you often have questions like, what is Sub-audio and what functions does it have? This blog will help you understand it. The English term for sub-audio signaling is Continuous Tone Controlled Squelch System (CTCSS), which means a continuous single-tone coded squelch system. It’s a technology that encodes recognition signals by adding […]

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FRS/GMRS/MURS/CB/NWR Frequency and so on the difference(1)

FRS/GMRS/MURS/CB/NWR Frequency and so on the difference Power and Frequency When talking about radios, the first thing that comes to anyone’s mind is range. How far can they transmit? It’s an important detail worthy of a quick discussion before we move on into the different radio services available to you for communication. Two key variables

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