Two. The 15km transmission distance can only be obtained under the FCC conventional when measured in an outdoor ecosystem with no interference. The SRRC normal is adopted in mainland China, and the furthest transmission distance is eight km. M3M Crown, a singular skyscraper using a see of the metropolitan skyline, https://m3mhomes.com/m3m-targets-rs-600-crore-revenue-from-phase-1-of-panipat-project/