A mobile radio telephone having a minimized tuning bandwidth, based on limiting intermediate frequencies at the highest and lowest expected receive frequencies in each band. A dual band, dual mode mobile phone can be constructed which maintains or improves intermodulation performance using fewer battery...http://www.google.fr/patents/US6125268?utm_source=gb-gplus-shareBrevet US6125268 - Tuning bandwidth minimization for low voltage dual band receiver
Tuning bandwidth minimization for low voltage dual band receiver
