Building a street WiFi network

Good day. I did not find the necessary topic (in all there are only pieces), so I decided to write in a separate post.

I'm interested in building a “street” urban WiFi network, as GoldenTelecom built it at the time, only they had direct access to the network and their own broadband access. Since there are enough providers on the market, you can rent or just buy traffic. Based on this:
- The network will be built on access to the “fiber / copper” provider;
- The distribution of traffic will be carried out with a WiFi modem / s.

By a “street” network, I mean connecting equipment (naturally industrial equipment) and distributing traffic directly to the streets (from buildings).

Questions that have not yet been covered:

1) A more detailed diagram of the construction of such a network

Theoretically, I imagine it this way:
- A cable (extending from the provider's fiber) - a connected house
- Equipment connected to it (routers)
- Traffic purchased

But there are nuances associated with building a network: when you enter a house and install such equipment, you need to set “ switches ”that close the network. Is it necessary? Or is it necessary for a single connection?
Please tell me a more detailed construction of such a network: the necessary equipment

2) Coverage

Since the equipment is industrial, naturally a bet will be made on equipment with high coverage, while maintaining the necessary speed for customers (i.e. if 3 km is covered, then the signal will be dispelled somewhere after 1.5 km) at level 8 Mb Those. useful coverage will be about 1.5 km at a speed of 8 MB. The situation is hypothetical, but if you correct me, I will be very grateful.
Given that the equipment will be no higher than on the 1-2 floor, what problems can arise from the technical side? Signal purity / interruption / constant speed?
We consider a "circular" coating, i.e. so that the diameter declared on the equipment was at least 1.5 km of useful signal spread, at 3 km “registered on papers”

Problems, such as “equipment theft”, “damage”, “installation” - these problems are considered separately, the technical side is more important.

3) Equipment

What equipment should be used to build this network? As far as I know, in addition to building a standard network, it is necessary to connect amplifiers to it that can distribute the necessary signal power over a long distance. What is the best fit for this? Plates or others?
In mind, some Chinese manufacturers, but so far many questions than answers.

4) The penetration of the signal

As you know, you may encounter the fact that the signal from WiFi may simply not “break through” through the walls and because of this, its useful part will be lost. How can a signal be amplified so that it does not get lost reflecting off walls?
It is necessary to supply inexpensive equipment that can distribute the Internet to 1 street (approximate length is 1 km).
An important digression: the signal must also pass into the building at least 20-30 meters deep, and not be reflected from walls or windows.

5) Legal schemes

I read earlier posts that when distributing a signal, you may encounter the legitimate side of the issue: frequency distribution, etc. As I understand it, this applies only to WiFi networks, which are built in such a way as to catch the signal on the antennas and then transmit them inside the house. Here is another task: how it works when distributing from outside.

6) Programming scheme for monitoring modems and traffic

I read a post about building 2 types of networks, where there are 2 types of network management. Which of them can be suitable for such needs? How can modems be programmed so that they automatically redistribute traffic to users and need 0 control from the provider?
Perhaps there are nuances, please tell.

7) Modem programming

Is it possible to reprogram modems so that the first page when accessing the Internet would be 1 constant, like Beeline? Is this software difficult for the modem to implement?

8) “Channel Width”

For distribution, a certain amount of traffic or channel width is required. Modern equipment can provide a channel width of 100 MB. Based on this, I think you can put 1 modem and amplifiers to it, and that will be enough. Maybe I'm wrong, tell me.

9) Security of operations through the WiFi network

Despite the fact that the network will be open to everyone, the construction of a “security scheme” for the operations being performed is considered (so that people can enter the network, enter the necessary information to gain access to the Internet, and then enter personal information in the social network or your bank data (card numbers), or just pay for something without fear that their data will be lost or stolen (security level - office network).

These are not all questions, but I would be glad hear from professionals recommend Ndations or criticisms.

Thank you.

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