The QSPDT80A-0.5-18 from Qualink Microwave is a RF Switch with Frequency 500 MHz to 18 GHz, Insertion Loss 3.1 dB, Isolation 80 dB, Power 26.99 dBm, Power 0.5 W. Tags: Module with Connectors, Solid State. More details for QSPDT80A-0.5-18 can be seen below.