IC Identification, pt. 2:

RDA Microelectronics RDA6213N FM transceiver (likely)

Skyworks SKY13716-11 low band LNA front end module

Qualcomm ? D5319 mid-band diversity

Qualcomm ? D5320 high-band diversity (likely)

Skyworks SKY77365-11 power amplifier module

NXP Semiconductor BGU8103 GPS/GLONASS/Galileo/BeiDou Low Noise Amplifier

NXP Semiconductor PCAL6524 24-bit I/O expander