https://www.zbtlink.com/products/z2101ax-t-4g-5g-lte-router-modem-wifi-router-1800mbps-mesh-router-sim-card-slot-m2-port-lte-router-pcie-port
Z2101AX-T 4G LTE 1800Mbps WIFI Mesh Router With Sim Card Slot – Zbtlink Online Store
Z2101AX-M2-T is a 4G router, compatible with 3G/4G SIM cards;