The CS30-22-436/3 from Pulsar Microwave is a Directional Coupler with Frequency 800 MHz to 2.5 GHz, Coupling 30 dB, Coupling Variation ±1.25 dB, Amplitude Flatness 0.7 dB, Directivity 20 dB. Tags: Module with Connectors. More details for CS30-22-436/3 can be seen below.