The CBF-20A-1250 SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 100 MHz to 2 GHz, Frequency Sensitivity ± 0.5 dB, Coupling 20 dB, Power 1 W, Directivity 18 dB. Tags: Surface Mount. More details for CBF-20A-1250 SQ can be seen below.