Conservation Added intelligent electricity saving functions to carrier frequencies; deployed 2.01 million MCPA carrier frequencies; constructed 620,000 distributive GSM base stations; and installed over 8,000 sets of standardised outdoor base stations; Deployed 79,000 base stations and 673 equipment rooms to utilise natural cooling sources; and Adopted over 101,000 customised air conditioners, upgraded over 160,000 air conditioners to improve energy effi ciency, applied new additives to over 57,000 air conditioners; and optimised the outward structure of over 60,000 base stations.