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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.
8
Feature
Description
Power
consumption
(current)
Power-off current: 47 µA
Average
standby current
DRX = 2
< 3.0 mA
DRX = 5
< 2.5 mA
DRX = 9
< 2.0 mA
GPRS Class 10 (maximum): 460 mA
Protocols
GSM/GPRS Phase2/2+
AT commands
See the HUAWEI MG323 GSM M2M Module AT Command
Interface Specification.
Application
interface (50-
pin B2B
connector)
UART1 (supporting 8-wire UART)
One standard Subscriber Identity Module (SIM) card interface (3
V or 1.8 V)
Interfaces for two analog audio channels
Power Interface
Network status light-emitting diode (LED) control interface
Antenna
interface
Hirose U.FL-R-SMT-1(80) 50 ohm antenna connector
Antenna pad
Voice services
Two analog voice channels
SMS
New message alert, text message receiving, and text message
sending
Management of text messages: read messages, delete
messages, storage status, and message list
Support for the protocol data unit (PDU) mode
GPRS
GPRS CLASS 10
Encoding schemes: CS 1, CS 2, CS 3, and CS 4
Maximum downlink transmission rate: 85.6 kbps
Maximum uplink transmission rate: 42.8 kbps
Packet Broadcast Control Channel (PBCCH)
Embedded with TCP/IP protocols, supporting multiple links
Circuit
Switched Data
(CSD) data
services
CSD data services at the maximum rate of 9.6 kbit/s
Physical
features
Dimensions (L × W × H): 35 mm × 32.5 mm × 3.05 mm
Weight: 5.8 g