The CS10-14-436/15 from Pulsar Microwave is a Directional Coupler with Frequency 4 to 12.4 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Amplitude Flatness 0.3 dB, Directivity 17 dB. Tags: Module with Connectors. More details for CS10-14-436/15 can be seen below.