PMI Model No. LM-10M18G-16-20W-AL-OPT8G12G is a coaxial limiter with an operating range of 8.0 to 12.0 GHz. This model has a maximum insertion loss of 1.8 dB and a typical VSWR of 1.8:1. This compact unit measures 0.90" x 0.38" square and is outfitted with SMA connectors.