This must be the one:
http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER
It's now listed as a "T-Mobile 4G HotSpot". They're selling it for $81.56 with Free Shipping.
You can see all their "Lightning Deals" at
http://www.amazon.com/Black-Friday-A...pf_rd_i=507846 or just go to Amazon.com and click on the "Holiday Flurry Deals Week" banner in the upper right hand side of the screen.