The CS10-53-436/13 from Pulsar Microwave is a Directional Coupler with Frequency 1 to 40 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Amplitude Flatness 1.5 dB, Directivity 10 dB. Tags: Module with Connectors. More details for CS10-53-436/13 can be seen below.