The C35-28-481/9N from Pulsar Microwave is a Directional Coupler with Frequency 1 to 10 GHz, Coupling 35 dB, Coupling Variation ±1 dB, Amplitude Flatness 1 dB, Directivity 12 to 20 dB. Tags: Module with Connectors. More details for C35-28-481/9N can be seen below.