TP-Link TL-MR3420 User Manual page 19

Location - Select the location where you're enjoying the 3G/4G card.

Mobile ISP - Select the ISP (Internet Service Provider) you apply to for 3G/4G service. The

Router will show the default Dial Number and APN of that ISP. If your ISP is not listed in the
Mobile ISP, check the box before Set the Dial Number, APN, Username and Password
manually and fill the Dial Number and APN blanks below.
Authentication Type - Some ISPs need a specific authentication type. Please confirm it

with your ISP or keep it Auto.
Dial Number & APN - Set these two parameters manually after Set the Dial Number, APN,

Username and Password manually is checked.
Username/Password - Enter the Username and Password provided by your ISP. These

fields are optional but case-sensitive.
5. Configure the Wireless settings on the screen as shown in Figure 3-6, then click Next.
TL-MR3420 3G/4G Wireless N Router User Guide
Figure 3-5
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