Application Interfaces; General Description - Quectel EG91 Series Hardware Design

3

Application Interfaces

3.1. General Description

EG91 series module is equipped with 62-pin 1.1mm pitch SMT pads and 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)SIM interfaces
 USB interface
 UART interfaces
 PCM and I2C interfaces
 SPI interface
 Status indication
 USB_BOOT interface
EG91_Series_Hardware_Design
LTE Standard Module Series
EG91 Series Hardware Design
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