The WS1018NKU from Withwave is a RF Switch with Frequency 10 KHz to 18 GHz, Insertion Loss 4.8 to 9 dB, Isolation 28 to 30 dB, Power 32 to 33 dBm, Power 1.58 to 2 W. Tags: Module with Connectors, USB Controlled. More details for WS1018NKU can be seen below.