3 CA Best Layer Strategy

Hi Experts,

Any recommendations for best approach for 3 CA( 1900Mhz @20MHZ BW, 700Mhz @10Mhz BW and 1900Mhz 10MhzBW. ). Things to consider is in building coverage and penetrations, but also considering the High BW of 1900Mhz. Please kindly suggest.

RCM