The 721-06-0.900 from MECA is a Directional Coupler with Frequency 0.8 to 12 GHz, Coupling 6 dB, Coupling Variation -0.6 dB, 1.6 dB, Directivity 22 to 25 dB, Average Power 100 W. Tags: Module with Connectors. More details for 721-06-0.900 can be seen below.