The MSPD-003-99 from Massachusetts Bay Technologies is a RF Detector with Frequency 14 to 16 GHz, Capacitance 0.10 to 0.5 pF, Response Time 50 pS (Transition), Operating Temperature -55 to 150 Degree C, Storage Temperature -65 to 200 Degree C. Tags: Phase Detector. More details for MSPD-003-99 can be seen below.