PMI Model No. P4T-500M18G-80-T-SFF-DEC is a 0.5 to 18.0GHz, single pole, four throw, absorptive switch. This switch offers 80dB of port to port isolation and a maximum insertion loss of 3.75dB. It has a switching speed of 25ns with a 2 pin decoded TTL controller. The operating power is +20dBm CW and it has a maximum VSWR of 2.0:1.