The good news for Clearwire was the display of a chart that showed smaller footprint cell sites that would include base station cards for a multiplicity of services including: LTE (yes, long term evolution), WIMAX, some successor concept that would continue to use the IDEN spectrum in the low bands to keep the push to talk business users happy, and CDMA as well.
FORBES: T-Mobile-Sprint Merger Would Need Clearwire Spectrum