The A3202-20 from Atlantic Microwave is a Directional Coupler with Frequency 500 MHz to 1 GHz, Coupling 20 dB, Coupling Variation ± 1.25 dB, Frequency Sensitivity ± 0.75 dB, Directivity 25 dB. Tags: Module with Connectors. More details for A3202-20 can be seen below.