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I just wanted to bring to ur attention which I read in a magazine... There are diff freq ranges for mobile transmission(800Mhz,900Mhz,1200Mhz,1800Mhz) BSNL,aircel uses 800Mhz and 900Mhz freq ranges. Hutch uses 900Mhz and 1200Mhz.. Where as Airtel uses the highest(1800Mhz) freq for...