The BGSA12GN10 from Infineon Technologies is a RF Switch with Frequency 100 MHz to 6 GHz, Insertion Loss 0.25 to .49 dB, Isolation 19 to 31 dB, Power 39 dBm, Power 7.94 W. Tags: Chip, Antenna Tuning Switch. More details for BGSA12GN10 can be seen below.