Children with disabilities <a href=" http://www.smbmobileleads.com/diamox-acetazolamide-dosage/ ">acetazolamide diamox</a> The current spectrum pricing dates back to the mid-1980s and 1990s when 2G mobile connections were standard. The proposed changes are intended to reflect the increased value of the spectrum as 2G connections have been replaced by faster 3G and 4G networks. Prices were last increased in 2000.