The CSM-10-2G SQ from Crane Aerospace & Electronics is a Directional Coupler with Frequency 2020 to 2050 MHz, Coupling 9.8 dB, Coupling Variation ±0.25 dB, Frequency Sensitivity ±0.8 dB, Directivity 23 dB. Tags: Module with Connectors. More details for CSM-10-2G SQ can be seen below.