PMI Model No. LM-2G6R5G-3W-SMF is a coaxial limiter with an operating range of 2.0 to 6.5 GHz. This model has a maximum insertion loss of 1.2 dB with a VSWR of 2:1 maximum. This compact unit measures 0.90" x 0.38" square and is outfitted with SMA connectors.