The A2056-6 from Atlantic Microwave is a Directional Coupler with Frequency 4 to 12.4 GHz, Coupling 6 dB, Coupling Variation ± 1 dB, Frequency Sensitivity ±0.30 dB, Directivity 17 dB. Tags: Module with Connectors. More details for A2056-6 can be seen below.