UniFi LTE Pro provides backup cellular internet connectivity to ensure your UniFi WAN network is always running. This model works in the EU region and supports European LTE and WCDMA bands. It has a Nano SIM card slot. PoE (802.3af) powered, supports European bands: LTE (1, 3, 7, 8, 20, 28), WCDMA (1, 8), coverage and speed depend on the mobile network. Requires UniFi Security Gateway or UniFi Dream Machine.