The QHDZ-2N-0.45G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 380 to 520 MHz, Coupling 3 dB, Power 200 W, Amplitude Balance ±0.15 to 0.3 dB, Phase Balance ±2 to 3 Degrees. Tags: Surface Mount. More details for QHDZ-2N-0.45G SQ can be seen below.