The QHDZ-2H-0.48G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 435 to 524 MHz, Coupling 3 dB, Power 125 W, Amplitude Balance ±0.2 dB, Phase Balance ±3 Degrees. Tags: Surface Mount. More details for QHDZ-2H-0.48G SQ can be seen below.