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Fixed CTCSS to Fixed channel, avoid CTCSS change by mistake and disable normal communication.
Built-in VOX allows hand free operation which automatically starts transmission in response to your voice when using an external microphone.
Set different call ring for different little fellows. Based on the call ring, you know who is calling.
By scan function, you can find little fellow who are talking in same channel.
One-touch keyboard lock, easy to operate and avoid misuse when I'm playing.
Automatically record the pre-set parameters. Keep all previous settings after battery replaced. No need to repeat operations.
Set lower volume when you like a whisper，volume up in a noisy surroundings when you can not hear clearly.
Automatic filter out intereference from household appliances and computers, make the communication more clear.
Automatically prompt you to replace the battery when the battery is low.
Deal with some unexpected programming or radio error, by resetting easily.
When the other side of the signal is not clear or intermittent time, hold down the key to answer, the effect will be good.