Some of Retevis walkie tlakie have the “Talk Permit Tone” and “Hang Over Tone” function. So what is the “Talk Permit Tone” and “Hang Over Tone” function?
Some of Retevis walkie tlakie have the “Talk Permit Tone” and “Hang Over Tone” function. So what is the “Talk Permit Tone” and “Hang Over Tone” function?
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