The 3MPC-30 from Microwave Devices Inc. is a Directional Coupler with Frequency 800 MHz to 3 GHz, Coupling 30 dB, Coupling Variation ±0.6 dB, Amplitude Flatness ±1.0 dB, Directivity 20 dB. Tags: Module with Connectors. More details for 3MPC-30 can be seen below.