The RFSP2TA0004G5W from RF-Lambda is a RF Switch with Frequency 500 MHz to 4 GHz, Insertion Loss 1.2 to 1.5 dB, Isolation 70 to 85 dB, P1dB 37 dBm, P1dB 5.01 W. Tags: Module with Connectors, Solid State. More details for RFSP2TA0004G5W can be seen below.