The 102040020K from KRYTAR is a Directional Coupler with Frequency 2 to 40 GHz, Coupling 20 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.4 to ±0.7 dB, Directivity 11 to 15 dB. Tags: Module with Connectors. More details for 102040020K can be seen below.