The QHM-2-19.3G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 18.4 to 20.2 GHz, Coupling 3 dB, Power 5 W, Amplitude Balance 0.5 dB, Phase Balance ±5 Degrees. Tags: Module with Connectors. More details for QHM-2-19.3G SQ can be seen below.