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HUAWEI MG323 GSM M2M Module
Hardware Guide
Overall Description
Issue 04 (2011-08-22)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7
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)
GSM1800 Class 1 (1 W)
GSM1900 Class 1 (1 W)
Receiver
sensitivity
< –107 dBm
Working
temperature
Normal working temperature: –20°C to + 70°C
Extreme working temperatures: – 30°C to – 20°C and + 70°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.)