The AKC-020400-30 from Atlantic Microwave is a Directional Coupler with Frequency 2 to 40 GHz, Coupling 30 dB, Coupling Variation ± 1 dB, Amplitude Flatness 1 dB, Directivity 10 dB. Tags: Module with Connectors. More details for AKC-020400-30 can be seen below.