NOTE: For Device Name and Work Group, the standard input
characters include letters (a-z, A-Z), digits (0-9), space, underscores(_),
and hyphens(-). The first and last character should not contain any
spaces. An invalid workgroup name makes it harder for other devices to
find your device in the network.
• Character set on FTP Server
Select the appropriate encoding used during data exchange
on the FTP server.
3G/4G USB modems can be connected to RT-AC66U to allow
NOTE: For a list of verified USB modems, please visit:
To set up 3G/4G internet access:
1. From the navigation panel, click General > USB application >
2. In the Enable USB Modem field, select Yes.
3. Set up the following: