Straight Talk, a prepaid carrier that offers unlimited service for $45 per month, now works on AT&T's LTE 4G network. Previously, it was limited to HSPA+ speeds for data. This means customers who supply their own LTE-capable phone will be able to access faster mobile broadband speeds. Customers will need to purchase an new SIM card, which costs $6.99, and sign up for Straight Talk's month-to-month service. Straight Talk is compatible with most unlocked GSM-based phones, including smartphones. The $45 plan includes unlimited voice minutes, messaging, and data, though some customers report being throttled after they exceed 2.5GB per month.


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