PiPO M6 - Manual (Page 11)

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you need a special dongles to support, please check with the shop
before you buy it.
3.3.2 3.3.2 3.3.2 3.3.2 Internal Internal Internal Internal 3G 3G 3G 3G support support support support (optional) (optional) (optional) (optional)
Internal 3G is an optional function. If you purchase this tablet with a SIM
card slot, you can access to the Internet via your 3G SIM card while
Wi-Fi network is not available. Please insert your 3G card into the SIM
card slot of the tablet, and the tablet will obtain 3G signal
automatically.
Frequency: This tablet support WCDMA SIM card
HSPA/WCDMA: 2100/900MHz
GSM/GPRS/EDGE Quad band：850/900/1800/1900
3G download speed maximum 7.2M bit/s, upload maximum: 5.76M bit/s
IV. IV. IV. IV. Internet Internet Internet Internet Browsing Browsing Browsing Browsing
4.1 4.1 4.1 4.1 Internet Internet Internet Internet Browsing Browsing Browsing Browsing
Before using your browser, make sure Wi-Fi or internet is connected.
In your app panel, Tap the browser icon to open your browser.
Tap the address bar, the Android keyboard will appear for your entry of
keywords or URL.