The C4-01-414 from Pulsar Microwave is a Directional Coupler with Frequency 0.3 to 50 MHz, Coupling 20 dB, Coupling Variation ±0.5 dB, Amplitude Flatness 0.25 dB, Directivity 20 dB. Tags: Module with Connectors. More details for C4-01-414 can be seen below.