Huawei MG323 Operating and Storage Temperatures and Humidity, Specification, Minimum Value, Unit

HUAWEI MG323 GSM M2M Module
Hardware Guide	Electrical and Reliability Features

VI is 2.85 V or 2.8 V, which is the voltage of the digital I/O pin. For the details about VI, please see Table 3-1 .

5.3 Operating and Storage Temperatures and Humidity

Table 5-2lists the operating and storage temperatures and humidity for the MG323 module.

Table 5-2Operating and storage temperatures and humidity for the MG323 module

Specification	Minimum Value	Maximum Value	Unit
Normal operating	–20	70	°C
temperatures
Extended temperatures[1]	–30	–20	°C
Extended temperatures[1]	70	75	°C
Ambient temperature for	–40	85	°C
storage
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 5-3lists the sequence numbers of pins and definitions of signals on the 50-pin B2B interface of the MG323 module.

Table 5-3Sequence 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

Issue 06 (2013-06-13)	Huawei Proprietary and Confidential	36
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