The SKU 7091 power amplifier and this family of emerging products are well suited for use in commercial LTE networks and public safety wireless communications applications. SKU 7091 PCM3R3SCO: This 900 MHz compact linear power amplifier is the first in a series of communications amplifiers that are being developed for digital waveform requirements in the 450, 700, 800, 900, 1800, 1900 and 2100 MHz bands.