Portable Frequency Counter, Accurate RK560 50MHz-2.4GHz Frequency Counter Meter Portable Handheld Radio Frequency Testing, for Two Way Radio Walkie Talkie Decoder bee Speed Control Knob: The knob

Speed Control Knob: The knob has a switch function

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Portable Frequency Counter, Accurate RK560 50MHz-2.4GHz Frequency Counter Meter Portable Handheld Radio Frequency Testing, for Two Way Radio Walkie Talkie Decoder bee Speed Control Knob: The knobPortable Frequency Counter, Accurate RK560 50MHz 2. 4GHz Frequency Counter Meter Portable Handheld Radio Frequency Testing, for Two Way Radio Walkie Talkie Decoder Features: 1. The frequency meter can measure the frequency of the walkie talkie and is very suitable for DCS and for CTCSS testing. 2. Powered by 9V battery, measuring range of 50MHz 2. 4GHz. 3. One , long press the to select the frequency step. 4. Equipped with an antenna, it can directly