1x Antenna + 100K-1000MHz Indicatore di Intensità di Campo Misuratore di Livello Segnale RF

With the HP8921A radio tester, the sensitivity is -20dbm, and the -2dbm can be full. It is better to have 1/4 wave as much as possible. Don't be too close! Then press the walkie-talkie PTT button to make the walkie-talkie enter the launch state.

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