The TCD-16-12W-75X+ from Mini Circuits is a Directional Coupler with Frequency 5 to 1218 MHz, Coupling 16 dB, Coupling Variation ±0.5 dB, Directivity 8 to 35 dB, Average Power 1.0 W. Tags: Surface mount. More details for TCD-16-12W-75X+ can be seen below.