HUAWEI MG323 GSM M2M Module
Electrical and Reliability Features
Issue 06 (2013-06-13)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
36
V
I
is 2.85 V or 2.8 V, which is the voltage of the digital I/O pin. For the details about V
I,
please
see Table 3-1 .
5.3 Operating and Storage Temperatures and Humidity
Table 5-2 lists the operating and storage temperatures and humidity for the MG323
module.
Table 5-2 Operating and storage temperatures and humidity for the MG323 module
Specification Minimum Value Maximum Value Unit
Normal operating
temperatures
–20 70 °C
Extended temperatures
[1]
–30 –20 °C
Extended temperatures
[1]
70 75 °C
Ambient temperature for
storage
–40 85 °C
Moisture 5 95 %
[1]:The temperatures outside of the range –20°C to +70°C; the module might slightly deviate
from 3GPP TS 45.005 specifications.
5.4 Electrical Criteria of Application Interfaces
Table 5-3 lists the sequence numbers of pins and definitions of signals on the 50-pin
B2B interface of the MG323 module.
Table 5-3 Sequence numbers of pins and definitions of signals on the B2B interface
Pin No. Signal Name Pin No. Signal Name
1 SIM_CLK 2 INTEAR_N
3 VSIM 4 INTEAR_P
5 SIM_DATA 6 EXTEAR_P
7 SIM_RST 8 EXTEAR_N
9 NC 10 INTMIC_N
