The SKY78042Sky One®Ultra from Skyworks is a hybrid, multimode multiband (MMMB) Front-End Module that supports 2.5G, 3G/4G and CDMA handsets, and operates efficiently in GSM, GPRS, EDGE, WCDMA, HSPA, and LTE modes. It is a fully integrated LB/VLB multiband module and has envelope Tracking (ET) for WCDMA/FDDLTE bands. The module can operate in dual band GSM/GPRS/EDGE between 850 to 900 MHz and has a fully programmable Mobile Industry Processor Interface (MIPI) digital control. It has a closed loop architecture with the implemented coupler output port and is available in a small, low profile package that measures 7.5 x 6.0 x 0.9 mm with 48-pad configuration.