The SYDC-19-52HP+ is a 19 dB surface mount Dual-Directional coupler that operates from 30 to 512 MHz. It can handle up to 50 Watts of power and is matched to 50 Ohms. The coupler has an insertion loss of under 0.3 dB, VSWR of 1.05:1, Directivity of 30 dB.