The QHDZ-2X-3.5G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 3.3 to 3.7 GHz, Coupling 3 dB, Power 30 W, Amplitude Balance ±0.3 dB, Phase Balance ±3 Degrees. Tags: Surface Mount. More details for QHDZ-2X-3.5G SQ can be seen below.