The QHF-2A-10 SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 9.5 to 10.5 MHz, Coupling 3 dB, Power 1 W, Amplitude Balance 0.5 to 0.75 dB, Phase Balance ±1 to 2 Degrees. Tags: Surface Mount. More details for QHF-2A-10 SQ can be seen below.