Quantic PMI Model PDC-300M8G-10C-SFF-30W is a 0.3 to 8 GHz directional coupler with a coupling of 10 ± 1 dB Max; directivity of 20 dB Min; an insertion loss of 0.8 dB Max (excluding coupling loss of 0.46 dB) and a VSWR of 1.18:1. Package size is 6.0" x 0.73" x 0.5" with SMA Female connectors.