Walmart offers the refurbished Straight Talk U240C Unimax Mobile Wireless Hotspot, model no. STUXU240CR.MB15, with a 1GB Data Plan for $19.99. Choose in-store pickup to avoid the $4.97 shipping fee. That's tied with our mention from a week ago and $8 under the lowest total price we could find for a refurb without a data plan today. The hotspot features a web interface and connections for up to five devices.
A 1-year warranty is provided, although it's unclear who supports it.