PMI Model No. LM-10M18G-16-20W-AL is a coaxial limiter with an operating range of 10 MHz to 18.0 GHz. This model has a maximum insertion loss of 2.0 dB at -10 dBm input power with a VSWR of 2.0:1 maximum. This compact unit measures of 0.90" x 0.38" square and is outfitted with SMA connectors.