Neo_M680 GPRS Module Hardware User Guide
Copyright © Neoway Technology Co., Ltd
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4
Electric Features and Reliability
4.1
Electric Feature
Table 4-1
Electric feature of the module
Parameter
Minimum Value
Typical Value
Maximum Value
VBAT
Vin
3.5 V
3.9 V
4.3 V
Iin
/
/
2 A
VBUS
4.3 V
5 V
7 V
VDD_EXT
Vout
/
2.8 V
/
Iout
/
/
50 mA
DIO
Vout
2.3 V
2.8 V
3.1 V
Iout
/
/
4 mA
Vin
-0.3 V
0 V
0.6 V
Iin
/
/
22.5 uA
If the voltage is too low, the module might fail to start. If the voltage is too high or there is a voltage burst
during the startup, the module might be damaged permanently.
If you use LDO or DC-DC to supply power for the module, ensure that it output at least 2 A current.
4.2
Temperature
Table 4-2
Temperature Feature
Module Status
Minimum Value
Typical Value
Maximum Value
Working
-40
℃
25
℃
85
℃
Storage
-45
℃
90
℃
If the module works in temperature exceeding the thresholds, its RF performance (e.g. frequency
deviation or phase deviation) might be worse but it can still work properly.
