M20 EVB User Guide
1. Introduction
This document defines and specifies the usage of M20 EVB.
1.1. Related documents
Table 1: Related documents
SN Document name Remark
[ 1 ] M2 0_ ATC AT co mma n d s se t
[2] GSM_UART_AN GSM UART port application notes
[3] M20_HD Hardware design
[4]
Upgrade_FW_Tools_
UGD
User guide of firmware upgrade tools
1.2. Safety caution
The following safety precautions must be observed during all phases of the operation, e.g. usage,
service or repair of cellular terminal incorporating M20 module. Manufactures of the cellular
terminal is recommended to pass the following safety information to users, operating personnel. If
customer fails to do so, Quectel couldn’t bear any liability for customer’s failure to comply with
these precautions.
When in a hospital or other health care facility, observe the restrictions about the
use of mobiles. Switch the cellular terminal or mobile off, medical equipment
may be sensitive to RF interference.
Switch off the cellular terminal or mobile before boarding an aircraft. The
operation of wireless equipment in an aircraft is forbidden to prevent
interference to communication system. Failing to think enough of these
instructions could lead to endanger flight safety or offend against local
legal action, or both.
Do not operate the cellular terminal or mobile in the presence of flammable
gas or fume. Switch off the cellular terminal when you are near petrol
station, fuel depot, chemical plant or anywhere blasting operation is in
progress. Operation of electronic equipment in potentially explosive
atmos
here could constitute a safet
hazard.
M20_EVB_UGD_V1.01 - 6 -
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