Greensboro, N.C. The RF3133 power amplifier operates in the 850, 900, 1800, and 1900 MHz GSM bands. The amplifier delivers +35-dBm output power in the 850 and 900 MHz bands and +33-dBm output power in the 1800 and 1900 MHz bands. The amplifier operates from a +3-V supply and delivers 55% typical efficiency in the 850 or 900 MHz band. The PA is housed in a 7x 10-mm leadless chip package.
Data Sheet: http://www.rfmd.com/DataBooks/db97/3133_2pg.pdf
RF Micro Devices, www.rfmd.com