The C2-01-301 from Pulsar Microwave is a Directional Coupler with Frequency 0.3 to 50 MHz, Coupling 11.5 dB, Coupling Variation ±0.5 dB, Amplitude Flatness 0.25 dB, Directivity 30 dB. Tags: Surface Mount. More details for C2-01-301 can be seen below.