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Ailunce HD2 RxALLCC is similar to the Promiscuous. RxALLCC is color code promiscuous. When turn on it, you can receive the signal even if you have a different color code.  ...

Ailunce HD2 added the different lock modes to suit different usage environments. You can lock the keypad or keypad and Channel knob, or keypad and Channel knob and PTT. You can do whatever you want.  ...

Retevis Ailunce HD2 Waterproof Dual Band DMR Ham Radio  ...

What are the necessary parameters of analog radio communication? Frequency and CTCSS/DCS.  ...

The first way is the VFO or variable frequency oscillator. The MR stands for memory. When in this mode you input a frequency into a memory channel.   ...

Software is the most temporary and malleable. Firmware is semi-permanent software that’s tied more directly to the hardware and updated less often, and hardware is the physical component that is mostly permanent.  ...

When we get a walkie-talkie, the first thing we want is to make it communicate with another walkie-talkie.  ...

The squelch switch is a function specially designed to solve the contradiction between the call quality and noise of the wireless walkie-talkie.  ...

The signal report of an amateur station consists of three parts: "R" representing the discernibility of the signal, "S" representing the signal strength, and "T" (Tone, the quality of the signal) representing the signal tone, so the signal report often becomes " RST".  ...

With the continuous improvement of walkie-talkie functions, we have seen walkie-talkies in different industries and fields. Whether it is a sudden epidemic or daily communication scheduling, we have found that the role of walkie-talkies in medical scenarios is becoming increasingly prominent.  ...