TP-Link TL-MR3020 User Manual page 22

5. Choose the Internet Access type, and then click Next. Here we take 3G Only (As LAN) for
example.
3G Preferred - Use 3G as the primary access, WAN as a backup. The RJ45 Ethernet
port is used as WAN port.
WAN Preferred - Use WAN as the primary access, 3G as a backup. The RJ45
Ethernet port is used as WAN port.
WAN Only - Only use WAN as the access to the Internet. The RJ45 Ethernet port is
used as WAN port.
3G Only - Only use 3G as the access to the Internet. The RJ45 Ethernet port is used
as LAN port.
6. Select your location and Mobile ISP.
TL-MR3020
Figure 3-4 Quick Setup
Figure 3-5 Quick Setup – Internet Access
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Portable 3G/3.75G Wireless N Router