As the generator output power is decreased from the starting value of -17dBm, the signal level received drops into the receiver noise at around -30dBm and then at around -40dBm the signal level received on the directly connected receiver starts to come up out of the noise again but then it drops down again quickly by -50dBm or so generator setting. The receiver is fine and working normally with an antenna and I have detected this issue with 3 different receivers.
