Mikrotik and LTE via USB Modem (and Failover) | Murray's Blog
Mikrotik RB951Ui-2nD Access Point with 5x Ethernet Ports USB for 3G/4G Support | eBay
MIKROTIK Wireless dual-band router with LTE support and 5 Gigabit Ethernet ports , hAP ac3 LTE6 kit (RBD53GR-5HacD2HnD&R11e-LTE6) - The source for WiFi products at best prices in Europe - wifi-stock.com
Mikrotik and LTE via USB Modem (and Failover) | Murray's Blog
Mikrotik LtAP mini 4G kit 2.4 GHz Weatherproof Access Point with LTE modem 2 SIM slots and GPS