The CSM-8-2.07G SQ from Crane Aerospace & Electronics is a Directional Coupler with Frequency 2020 to 2120 MHz, Coupling 8.25 dB, Coupling Variation ±0.15 dB, Frequency Sensitivity ±0.25 dB, Directivity 20 dB. Tags: Module with Connectors. More details for CSM-8-2.07G SQ can be seen below.