This model Sweeps the FM frequencies from 76MHz - 108MHz ONLY. Many users prefer the FM Bandwidth based on results obtained by Zak on GA and other professionals that have difficulties differentiating Radio Talk  "Bits" on the AM band. This model offers users a more cost effective alternative. In addition, this Model incorporates an amplified circuit to Boost the FM volume such that a separate amplified speaker is not required. All other features remain the same for this model.