The CS20-03-436/7N from Pulsar Microwave is a Directional Coupler with Frequency 1 to 2 GHz, Coupling 20 dB, Coupling Variation ±1.25 dB, Amplitude Flatness 0.75 dB, Directivity 20 dB. Tags: Module with Connectors. More details for CS20-03-436/7N can be seen below.