UIS8910FF-S is a highly integrated 4G Cat.1 and 2G dual-mode feature phone chipset that integrates RF, baseband, and FM. It features an Arm ® Cortex-A5 processor to satisfy low-power requirements while also taking high performance requirements into account. UIS8910FF-S is compatible with the various interfaces required by feature phones, such as SDIO, I2C/I2S and SPI. The fully customized power management chipset provides power for the SoC and all peripherals, in order to meet the needs of feature phones.