Comment MVNO $60/month unlimited HSPA+ on AT&T network (Score 1) 170
Black Wireless - blackwireless.com -
They're an AT&T MVNO. LTE isn't supported, but HSPA+ is, and I've seen that exceed 10mbps.
Have been using them nearly a year with no problems, though I am not on the unlimited data plan myself. I spoke with customer service and they claim that unlimited data really is unlimited data.