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HUAWEI MG323 GSM M2M Module
Hardware Guide
Overall Description
Issue 06 (2013-06-13)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
9
2 Overall Description
2.1 About This Chapter
This chapter gives a general description of the MG323 module and provides:
Function Overview
Application Block Diagram
Circuit Block Diagram
2.2 Function Overview
Table 2-1 Feature
Feature Description
Working bands
Four supported frequency bands: GSM850 MHz/900 MHz/1800
MHz/1900 MHz
Maximum
transmission
power
GSM850 Class 4 (2 W)
EGSM900 Class 4 (2 W)
DCS1800 Class 1 (1 W)
PCS1900 Class 1 (1 W)
Receiver
sensitivity
< 107 dBm
Operating
Temperature
Normal operating temperature: –20°C to +70°C
Extended operating temperature
[1]
: –30°C to +75°C
Ambient
temperature for
storage
40°C to +85°C
Power voltage 3.3 V to 4.8 V (3.8 V is recommended.)