Newest 4G+ router Archer MR600 V2 updated from the poorly performed Archer MR600 V1
$229 from eBay
Manufacturer description link
TP-Link's First 4G+ Router – supports 4G+ Cat6 to boost the data speeds of up to 300 Mbps*
Plug a SIM card and play – no configurations needed, compatibility of SIM cards in 100+ countries are assured by years of field tests
MU-MIMO supported – simultaneous data streams increase WiFi throughput and network efficiency.
Supports TP-Link OneMeshTM – co-works with TP-Link OneMesh products to create a flexible and cost-efficient Mesh network
Better Signal for Connections Everywhere – enjoy stable and efficient connections to every device thanks to the two external LTE antennas
Full Gigabit Ports – provides reliable wired connections for bandwidth-intensive devices such as game consoles and STB
Wi-Fi router mode – plug an Ethernet cable into the LAN/WAN port for flexible access as a backup option if you can't get a 4G connection
Easy setup and management all by Tether app
Enhanced Network type (compatible with Telstra, Optus and Vodafone network) – 4G: FDD-LTE B5 (850MHz) / B28 (700MHz); 3G: B5 (850MHz)
I have this at home, no complaints at all.
The signal though not so strong to cover a large house.