The CS10-50-435/4 from Pulsar Microwave is a Directional Coupler with Frequency 6 to 26.5 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Amplitude Flatness 0.7 dB, Directivity 13 dB. Tags: Module with Connectors. More details for CS10-50-435/4 can be seen below.