Wideband RF SP3T switch The BGS13SN8 is a single-pole, triple-throw (SP3T) antenna switch for 2.4 GHz WiFi, Bluetooth and cellular applications. It offers low insertion loss and high isolation with low harmonic distortion. BGS13SN8 is manufactured in Infineon’s patented MOS technology, offering the performance of GaAs with the economy and integration of conventional CMOS including the inherent higher ESD robustness.