You transmit on 27.185 LSB, but your friend hears you 150 Hz high.
: Within 2 seconds of the display lighting up, release the first two buttons and quickly press the following buttons in order: RB , NB , SCAN , MEM , and EMG . anytone at5555n ii service menu work
To enter the Service Menu:
: Users strongly advise writing down every single factory parameter (all 53+ items) before making any changes. You transmit on 27
Power off the radio completely. Wait 5 seconds. Power on normally. Your changes are now active. You transmit on 27.185 LSB