The CBF-11A-1250 SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 100 MHz to 2 GHz, Frequency Sensitivity ±0.5 dB, Coupling 10.5 dB, Coupling Variation ±1 dB, Power 1 W. Tags: Surface Mount. More details for CBF-11A-1250 SQ can be seen below.