The TCD-17-282X+ from Mini Circuits is a Directional Coupler with Frequency 5 to 2850 MHz, Coupling 17 dB, Coupling Variation ±1 dB, Directivity 6 to 25 dB, Average Power 0.5 to 1 W. Tags: Surface mount. More details for TCD-17-282X+ can be seen below.