The C0-03-411 from Pulsar Microwave is a Directional Coupler with Frequency 10 to 100 MHz, Coupling 6.5 dB, Coupling Variation ±0.5 dB, Amplitude Flatness 0.25 dB, Directivity 30 dB. Tags: Module with Connectors. More details for C0-03-411 can be seen below.