Titan PC7080ME User Manual page 23

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Set up password for network encryption, and password should no less than 8 digits.
4.4-4 Mobile Networks
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Data enabled
Under data enabled, you can use 2G/3G network through the SIM card.
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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.
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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
（1）Access Point Name(APN)
Click Mobile network settings, see as below picture
850MHz/900MHz/1900MHz is optional.
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