Regional carrier C Spire Wireless yesterday announced the impending launch of new shared data plans.

C Spire is calling the new plans Shared Data+ and they allow customers to share a single data allowance on up to 10 devices. The plans follow in AT&T and Verizon's footsteps, both of which roled out shared data plans earlier in the year.

C Spire says it will launch the new plans on Dec. 3, and they will be available to both new and existing customers.

The new plans include unlimited talk, text, picture messaging and a shared data allowance, which starts at 1 GB for $50. Like AT&T and Verizon's plans, C Spire is requiring a monthly per-line access charge. Customers will be charged $20 for USB modems, tablets and other connected devices, $30 for feature phones and $40 for smartphones.

Customers can choose shared data allowances ranging from $50 a month for 1 GB up to $150 for 20 GB. Larger quantities of monthly shared data can be purchased if needed.

C Spire is boasting a more flexible overage policy with the new plans. The company saysit will alert customers when they are near their data limit and  then offer them top up options that start at $10 for 500 MB and range up to $75 for 5 GB. Traditionally carriers charge an addtional gigabyte of data when the customer exceed their monthly allowance.