Application Interfaces; General Description - Quectel EG91 Series Hardware Design

3

Application Interfaces

EG91is equipped with 62-pin 1.1mm pitch SMT pads plus 44-pin ground/reserved pads that can be
connected to customers' cellular application platforms. Sub-interfaces included in these pads are
described in detail in the following chapters:
 Power supply
 (U)SIMinterfaces
 USB interface
 UART interfaces
 PCMand I2C interfaces
 SPI interface
 Statusindication
 USB_BOOT interface
EG91_Hardware_Design

3.1. General Description

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LTE Module Series
EG91 Hardware Design