0.5MHz-470MHz RF Signal Generator Meter Tester for FM Radio Walkie-talkie Debug Digital CTCSS Singal Output

Features:
Suitable for FM walkie-talkie debugging.
Built-in 800Hz audio modulation, with the analog digital CTCSS function.
The unit is DBM. General hand sensitivity is -120DBM to -130DBM.
The greater the sensitivity to a negative number, the higher the sensitivity.
The signal source cannot input power.
It is absolutely forbidden to press the intercom button to transmit when testing. (self-matching power supply 8V-12V power supply polarity is positive and negative)