Quectel EG21-G - Application Interfaces; General Description

LTE Module Series
EG21-G Hardware Design
EG21-G_Hardware_Design 16 / 100
3 Application Interfaces
3.1. General Description
EG21-G is equipped with 144 LGA pads that can be connected to cellular application platform.
Sub-interfaces included in these pads are described in detail in the following chapters:
 Power supply
 (U)SIM interface
 USB interface
 UART interfaces
 PCM and I2C interfaces
 SD card interface
 ADC interfaces
 Status indication
 USB_BOOT interface