High Power SP4T MIPI RF Switch The BGS14M8U9 is a Single Pole Four Throw (SP4T) high power switch in a compact 9-pin package (1.1 x 1.1 mm2).The device is optimized for 5G and other cellular applications up to 7.125 GHz. With a low insertion loss, high isolation, high linearity and high power handling, BGS14M8U9 is perfect for 5G and LTE 4G applications, such as 5G SRS, Uplink-Carrier Aggregation, and High Power User Equipment (HPUE Class 2).