Sprint is updating its Terms Of Service starting in mid-July and will be capping mobile broadband data usage at 5GB. Previously, Sprint offered truly unlimited mobile broadband. Once the new Terms Of Service go into effect, users who go over the 5GB cap, or a 300MB roaming cap, will be charged extra fees. This will apply to both network cards as well as tethering mobile phones to laptops. AT&T Mobility and Verizon Wireless currently offer 5GB data plans, also.