Quantic PMI Model PDC-0R1G18G-10C-SFF-50W is a 0.1 to 18 GHz directional coupler with a coupling of 10 ± 1.0 dB Max; directivity of 10 dB Min @ 25 °C; an insertion loss of 3 dB (excluding coupling loss of 0.46 dB) and a VSWR of 1.60:1. Package size is 14.36" x 1.0" x 0.5" with SMA connectors.