The C1-10-411 from Pulsar Microwave is a Directional Coupler with Frequency 1 MHz to 2 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Amplitude Flatness 1 dB, Directivity 18 dB. Tags: Module with Connectors. More details for C1-10-411 can be seen below.