How to organize a Wi-Fi access point in the country?

Question

WiFi

Purpose: to create a Wi-Fi access point by distributing mob. the Internet.
Question: how to do it correctly and cheaper? Need to buy a router with support for SIM-cards? Buy a router with support for USB modems? And what is cheaper (Novosibirsk)?
Share your experience. There is no PC in the country. Android mobile devices only.

Answer 1

The most inexpensive option is to buy TP-Link with modem support. Inexpensive and good routers. Recently I saw this in the CSN for 1990r.