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Set up password for network encryption, and password should no less than 8
digits.
4.4-4 Mobile Networks
Data enabled
Under data enabled, you can use 2G/3G network through the SIM card.
Data roaming
Under data roaming, you can surf the internet by SIM card in the
situation of roaming.
This data roaming means roaming between operators, but not areas.
Network mode
Choose 2G/3Gfrequency channel. GSM means 2G network, this device
support GSM 850/900/1800/1900MHz and 3G WCDMA 2100MHz. 3G
frequency channel WCDMA 850MHz/900MHz/1900MHz is optional.
See pic 4.17.
（1）Access Point Name(APN)
Pic 4.16
Pic 4.17
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