The PE8040 from Pasternack Enterprises Inc is a RF Detector with Frequency 10 MHz to 3 GHz, Max Input Power 10 dBm, Dynamic Range 50 dB, Supply Voltage 4 to 15 V, Return Loss 8 to 15 dB (Input Return Loss). Tags: Connectorized, Log Detector. More details for PE8040 can be seen below.