The PMSN-4DT-05-DEC-MP-OPT600M6G from Quantic PMI (Planar Monolithics) is a RF Switch with Frequency 600 MHz to 6 GHz, Insertion Loss 3.5 to 3.75 dB, Isolation 60 dB, Power 20 dBm, Power 0.1 W. Tags: Module with Connectors, Solid State. More details for PMSN-4DT-05-DEC-MP-OPT600M6G can be seen below.