Hi Mohan
I will take Mokia Flexi EDGE BTS to answer your queries
1.Considering a Max of 8+8+8 combination with all TRX radiating at max power,the BTS power consumption (W) will be 3795(900 & 1800 Band).
2.+50 °C
3.This is really tricky.Sorry,I cant give a specific answer.
Br\\
Bijoy