M20 Hardware Design
1 Introduction
This document defines and specifies the M20 module series. For product ordering information,
please refer to
Chapter 6
.This document describes the hardware interface of
Quectel’s M20 module series that connects to the specific application and the air interface.
This document can help you quickly understand module interface specifications, electrical and
mechanical details. With the help of this document, associated application notes and user guide,
customer can use M20 module to design and set up mobile applications quickly.
1.1 Related documents
Table 1: Related documents
SN
Document name
Remark
[1]
M20_ATC
M20 AT command set
[2] ITU-T Draft new
recommendation
V.25ter
Serial asynchronous automatic dialing and control
[3]
GSM 07.07
Digital cellular telecommunications (Phase 2+); AT command
set for GSM Mobile Equipment (ME)
[4]
GSM 07.10
Support GSM 07.10 multiplexing protocol
[5]
GSM 07.05
Digital cellular telecommunications (Phase 2+); Use of Data
Terminal Equipment – Data Circuit terminating Equipment
(DTE – DCE) interface for Short Message Service (SMS) and
Cell Broadcast Service (CBS)
[6] GSM
11.14
Digital cellular telecommunications system (Phase 2+);
Specification of the SIM Application Toolkit for the Subscriber
Identity module – Mobile Equipment (SIM – ME) interface
[7] GSM
11.11
Digital cellular telecommunications system (Phase 2+);
Specification of the Subscriber Identity module – Mobile
Equipment (SIM – ME) interface
[8] GSM
03.38
Digital cellular telecommunications system (Phase 2+);
Alphabets and language-specific information
[9] GSM
11.10
Digital cellular telecommunications system (Phase 2)
；
Mobile Station (MS) conformance specification
；
Part 1:
Conformance specification
[10]
GSM_UART_AN
The document of UART port application notes
[11]
M20_EVB_UGD
The document of M20 EVB user guide application notes
M20_HD_V1.01
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Quectel
