The 854 - 142 - NEG from Broadwave Technologies is a RF Detector with Frequency 200 KHz to 1.5 GHz, Max Input Power 20 dBm, Frequency Flatness ±0.3 dB, VSWR 1.30:1, 1.40:1, Operating Temperature 0 to 70 Degree C. Tags: Connectorized, Power Detector. More details for 854 - 142 - NEG can be seen below.