The 100308020 from KRYTAR is a Directional Coupler with Frequency 0.3 to 8.0 GHz, Coupling 20 dB, Coupling Variation ±1.0 dB, Frequency Sensitivity ± 1.20 dB, Directivity 20 dB. Tags: Module with Connectors. More details for 100308020 can be seen below.