Check out latest Teltonika's products. They are made for industrial customers mostly, but UI (on top of openwrt) is the best I've seen. Here's a review: https:

Check out latest Teltonika's products. They are made for industrial customers mostly, but UI (on top of openwrt) is the best I've seen. Here's a review: https://seabits.com/teltonika-rutx11-lte-router/ https://seabits.com/teltonika-rutx11-lte-router/