PMI Model No. GMTA-1002 is a threshold detector designed to operate over the frequency range of 2.0 to 18.0 GHz. It has a threshold level of -23 dBm with threshold stability of +/-3.0 dBm over frequency and temperature.

Other specifications Input Operating Range of -18 to -23 dBm, Input VSWR 2.5:1 maximum, maximum input power level +10 dBm (without damage), Response Time Any Input Greater than 3 dB = 100 µs and operates using +12 VDC at 50 mA maximum. 

Supplied with SMA(F) connectors in a housing measuring 1.0" x 0.65" x 0.3".

http://www.pmi-rf.com/Products/detectors/GMTA-1002.htm