The AnyTone AT-5555N II is a modern classic in the world of amateur radio and high-performance CB (11m) operation. It boasts a dual-core microprocessor, a full-color display, and impressive frequency stability. However, beneath its user-friendly interface lies a hidden, powerful, and potentially dangerous tool: the . For the experienced technician, this menu is a gateway to recalibration and optimization. For the unwary, it is a path to rendering a $250 radio un-transmittable.
Controls the RF Gain floor. Default is often around 86; lowering this can help if your S-meter is showing a high noise floor (S5-S7) even without a signal. bfC: Adjusts the 10.24MHz BFO (Beat Frequency Oscillator). anytone at5555n ii service menu work
However, if you are a ham with a bench, the service menu turns the AT-5555N II from a "good off-the-shelf radio" into a . The AnyTone AT-5555N II is a modern classic
Accessing this menu requires a specific sequence that is not found in the standard manual. Preparation For the experienced technician, this menu is a