The EDC10-273+ from Mini Circuits is a Directional Coupler with Frequency 6 to 26.5 GHz, Coupling 8.6 to 13.3 dB, Directivity 8.5 to 16 dB, Average Power 0.31 to 0.63 W, Insertion Loss 1 to 3.2 dB. Tags: Surface mount. More details for EDC10-273+ can be seen below.