What information do you need to know (I hope you can describe it in detail) to do the indoor distribution survey of communication? China Mobile, China Telecom and China Unicom all have it.

1, the latitude and longitude information of the building, used to determine the BSC and other information of signals such as micro stations.

2. Basic information such as building structure, such as area and floor. Used to estimate the investment of building room subsystem.

3. The feasibility of the project construction is judged by the conditions of the computer room where the micro-station and other equipment are installed in the building, such as the size of the computer room, external power supply, air conditioning, load bearing and floor height.

4, the construction project transmission information, understand the transmission access mode used to open the micro station.

5, other basic information of the building, such as address, construction unit, etc. , in order to do a good job in engineering ledger in the future.