The P2T-500M18G-USB from PMI is a USB SPDT absorptive switch that operates from 500 MHz to 18 GHz. It has an insertion loss of 6 dB max, an isolation of 60 dB min and a VSWR of 2.5:1. The switch is powered and controlled via USB 2.0, and can handle up to 20 dBm of power. It is available in a package that measures 2.25 x 1.0 x 0.33 in. with removable SMA female connectors.