2. The 15km transmission length can only be attained beneath the FCC standard when measured in an out of doors natural environment without the need of interference. The SRRC regular is adopted in mainland China, as well as furthest transmission distance is eight km. Efficient aerial surveying ought to see https://m3mhomes.com/the-grand-property-sell-fest-by-m3m-smart-world-top-developers-may-16-18-2025/