The P4T-0R5G18G-70-T-SFF from Quantic PMI (Planar Monolithics) is a RF Switch with Frequency 500 MHz to 18 GHz, Insertion Loss 3.75 dB, Isolation 70 dB, P1dB 20 dBm, P1dB 0.1 W. Tags: Module with Connectors, Solid State. More details for P4T-0R5G18G-70-T-SFF can be seen below.