Sprint and Alcatel today made the Ride-Fi available for purchase. This mobile hotspot, first announced last month, was made specifically for cars and plugs into vehicles' DC power port for in-car connectivity. It can get power from USB-2 ports, as well. The Ride-Fi supports up to eight devices through Sprint's LTE 4G network. The device costs $168, but can be purchased via installment plan for $7 per month, or with a contract at no charge.


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