Public Safety Alliance says FCC white paper 'built on conjecture'

PSA wants a specific block of spectrum, the D-Block, devoted to first responders. 

The FCC says its plan, which mirrors draft legislation from House Energy and Commerce Chairman Henry Waxman (D-Calif.), achieves the same result at a lower cost by auctioning off that spectrum to commercial providers. 

Both sides have the goal of helping police officers and firemen communicate in emergencies using mobile devices.