The ACSP-2644N from CAES is a RF Detector with Frequency 10 MHz to 20 GHz, Max Input Power 15 dBm, Frequency Flatness ±1 dB, Voltage Sensitivity 500 mV/mW, VSWR 1.80:1. Tags: Connectorized, Diode Detector. More details for ACSP-2644N can be seen below.