Note: For Sprint, WiMAX = 4G. But this does not mean WiMAX will replace our
existing 3G CDMA network - WiMAX will instead be its own service, now branded as XOHM.
Other wireless carriers may not choose WiMAX for their 4G networks, so
outside of Sprint, 4G doesn't always = WiMAX.
Working with Sprint - Links for Developers and Entrepenuers