The CSM-30-14.25G SQ from Crane Aerospace & Electronics is a Directional Coupler with Frequency 13990 to 14510 MHz, Coupling 30 dB, Coupling Variation ±1.2 dB, Frequency Sensitivity ±0.75 dB, Directivity 19 dB. Tags: Module with Connectors. More details for CSM-30-14.25G SQ can be seen below.