The CS10-52-436/9 from Pulsar Microwave is a Directional Coupler with Frequency 2 to 40 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Amplitude Flatness 1.2 dB, Directivity 10 dB. Tags: Module with Connectors. More details for CS10-52-436/9 can be seen below.