The CS30-07-435/3 from Pulsar Microwave is a Directional Coupler with Frequency 2.6 to 5.2 GHz, Coupling 30 dB, Coupling Variation ±1.25 dB, Amplitude Flatness 0.75 dB, Directivity 20 dB. Tags: Module with Connectors. More details for CS30-07-435/3 can be seen below.