4g LTE+ Advanced OpenWRT Cat6 Unlocked Sim Router Modem with Carrier Aggregation Preconfigured for use with AT&T & Compatible with T-Mobile: Routers: Amazon.com.au
networking - Connecting an OpenWrt router to a “dumb” modem provided to me by my ISP - Super User
Building an LTE Access point with OpenWRT Rooter -
Modem Manager strange issue - Installing and Using OpenWrt - OpenWrt Forum
Connecting OpenWrt behind ISP router without bridge or modem only mode - Network and Wireless Configuration - OpenWrt Forum
FULLY Open Source ADSL/VDSL Modem Suggestion - Hardware Questions and Recommendations - OpenWrt Forum
ISP Modem+Router -> Switch -> Switch -> OpenWrt Router - Network and Wireless Configuration - OpenWrt Forum
Luci-proto-modemmanager support thread - Community Builds, Projects & Packages - OpenWrt Forum
How to setup a USB modem with RPI3 (Of course, with OpenWrt) - Network and Wireless Configuration - OpenWrt Forum
Connect 4G USB modem to WRT2200 - Installing and Using OpenWrt - OpenWrt Forum
Configuration Problem with OpenWrt as router and seperate LTE Modem - Installing and Using OpenWrt - OpenWrt Forum
Cant acess modem through OpenWrt - Network and Wireless Configuration - OpenWrt Forum
OpenWrt 3G 4G SIM Card LTE Industrial Wireless Modem WiFi Router 192.168.1.1 with Sim Card Slot _ - AliExpress Mobile