The CSM-7-.912G SQ from Crane Aerospace & Electronics is a Directional Coupler with Frequency 650 to 1175 MHz, Coupling 7 dB, Coupling Variation ±0.5 dB, Directivity 18 dB, Average Power 1 W. Tags: Module with Connectors. More details for CSM-7-.912G SQ can be seen below.