TP-Link TD-W9970 User Manual page 40

Location: Please select the location where you're enjoying the 3G/4G card.

Mobile ISP: Please select the ISP (Internet Service Provider) you apply to for 3G/4G service.

The modem router will show the default Dial Number and APN of that ISP.
Set the Dial Number, APN, Username and Password manually:

Number and APN blanks below if your ISP is not listed in the
values are not the latest ones.
Dial Number: Enter the Dial Number provided by your ISP.

APN: Enter the APN (Access Point Name) provided by your ISP.

Username/Password:

are case-sensitive.
Always on: Connect automatically after the modem router is disconnected. This option is

enabled by default.
Connect on demand:

Idle) for a pre-specified period of time
automatically. And once there is traffic send or receive, the connection will be automatically on.
If you want your Internet connection to remain active at all times, enter
field.

Note:
Sometimes the connection cannot be disconnected although you specify a time to
because some applications visit the Internet continually in the background.
Connect manually:

immediately. This mode also supports the
mode. If you want your Internet connection to remain active at all times, enter
Time field.
Enter the username and password provided by your ISP. These fields
Connect on demand is dependent on the traffic. If there is no traffic (or
You can click Connect/Disconnect
Check the box and fill the Dial
(Max Idle Time), the connection will tear down
to connect/disconnect connection
Max Idle Time function as
32
TD-W9970 User Guide
Mobile ISP list or the default
0 in the Max Idle Time
Max Idle Time
Connect on demand
0 in the Max Idle