I bought in Batumi 2.5 years ago. I worked through a router in the village for about six months, there were no problems. The LTE speed is about 40Mb, the reception is better than that of the phone and the ability to amplify the LTE signal with an external antenna. It happens occasionally that you need to reboot, but in general there are no problems. It also worked from a cable network, the speed was about 90Mb, with a possible 100Mb from the operator, which is excellent. Now he works in the country where the phone almost does not take, the router catches on 2 sticks, and gives out 3MB 3G. You can work And actually the price is acceptable for a router with a built-in SIM card.
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