The 251-082-010 from Broadwave Technologies is a Directional Coupler with Frequency 2 to 18 GHz, Coupling 10 dB, Coupling Variation ± 1.0 dB, Frequency Sensitivity ± 1.0 dB, Directivity 10 dB. Tags: Module with Connectors. More details for 251-082-010 can be seen below.