Get up to a $500 reward card when you sign up for AT&T Business Fiber. New AT&T Business Fiber customers are eligible for an AT&T Visa reward card based on speed tier for purchase of an AT&T Business Fiber plan ($300 Reward Card with Business Fiber 300; $400 Reward Card with Business Fiber 500; $500 Reward Card with Business Fiber 1000, Business Fiber 2000, Business Fiber 5000).