like the motorola i850, i760, and even the i920/i930, the i870 sports widen compliance with band support for both iden 800 and 900. the iden 900 band is also supported, helping relieve 800mhz spectrum pressures during sprint's 800mhz rebanding effort, moving iden up to 862-869mhz while public safety radios utilize spectrum from 851-860mhz.