You may underestimate the number of radio user around you.
If you are using the preset CTCSS setting to keep your conversation private?
That’s not private enough.
Read carefully three common ways to encrypt your conversation.
CTCSS is Continuous Tone Coded Squelch System. It does this by adding a low frequency audio tone to the voice. Where more than one group of users is on the same radio frequency, CTCSS circuitry mutes those users who are using a different CTCSS tone or no CTCSS. In other word, as long as the transmission have a different CTCSS, or no CTCSS, then your radio will not pass any audio to the speaker.
The radio communication would be cut off or lost by many reasons. But why FM function won’t be influenced?
Sometimes the program is transmitted on several frequencies at the same time in order to keep the transmission stable.
If a broadcast program is transmitted on a number of constantly changing frequencies, and the listener’s radio is continuously tuned to these frequencies, the program can be heard well even if frequency is interfered with. That is how Hopping works.
The scrambler function of radio is to change or mix the communication voice and information. So people can only receive and understand it through a specific frequency or channel.
If the radio has the scrambler function turned on, even other radios with different scrambler settings and the same channel and other same settings can still hear your voice. But it's distorted.
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