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HUAWEI MG323 GSM M2M Module
Hardware Guide
Electrical and Reliability Features
Issue 04 (2011-08-22)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
33
5 Electrical and Reliability Features
5.1 About This Chapter
This chapter describes the electrical and reliability features of the interfaces in the
MG323 module, including:
Extreme Working Conditions
Working and Storage Temperatures and Humidity
Electrical Criteria of Application Interfaces
Power Supply Features
Reliability Features
ESD Features
5.2 Extreme Working Conditions
Table 5-1 lists the extreme working conditions for the MG323 module. Using the
MG323 module beyond these conditions may result in permanent damage to the
module.
Table 5-1 Extreme working conditions for the MG323 module
Symbol
Specification
Minimum Value
Maximum Value
Unit
VBAT
External power voltage
–0.4
6.0
V
VCOIN
Input voltage of standby
power for the RTC
2.0
3.15
V
V
I
Data pin voltage
–0.4
3.3
V