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FIBOCOM FG621-LA Series Hardware Guide
Page 11 of 57
indicates the range of the
③
temperature where the module can perform storage without being
damaged or powered on.
2.3 Functional Diagram
Functional diagram shows the main hardware features of FG621-LA series module, including baseband
and RF features.
Baseband includes:
CPU
PMIC
LPDDR2
NAND
USB, (U)SIM, PCM, I
2
C, SPI, UART, SDIO, GPIOs, ADCs
WCDMA /LTE TDD/LTE FDD controller
RF includes:
RF Transceiver
RF PA
RF Switch
RF filter
Antenna