0,5Mhz-470Mhz RF Signal Generator Meter Tester für FM Radio Walkie-Talkie Debug
94,26 €
During the test, the frequency of the signal source input transceiver is first set to -100DB or any value. The intercom has audio output and then reduces the output strength of the source. For example, the -120DB just heard the intercom audio signal but there was noise.
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