The BGSA20UGL8 from Infineon Technologies is a RF Switch with Frequency DC to 400 MHz, Isolation 34 to 53 dB, IIP3 76 to 78 dBm, IIP3 (W) 63095.73 W, Supply Voltage -0.5 to 6 V. Tags: Chip, Antenna Tuning Switch. More details for BGSA20UGL8 can be seen below.