It doesn’t work.
Yes, the new Virgin Mobile Broadband in the United States using the Novatel MC760 USB EVDO dongle..doesn’t work.
Their web site says you have ”

I have 63 username/password entries in info.xhead. How is one supposed to remember 50+ logins to different sites? And those are only the ”

I grew up on Macs. From the Mac Plus, to the SE, to an LCIII (in color!!!) then a Performa 6220CD, and a B&W G3 ”