The following lists the 3G adapters that have been successfully tested for compatibility with the D-Link DIR-412 Mobile Wireless Router.
Bell
Novatel Wireless U998
Novatel Wireless U760
Telus
Sierra Wireless Compass 597
Sierra Wireless 306
Huawei E182E
Rogers
Ovation MC950D
Sony Ericsson MD400g
ZTE MF668
ZTE MF636