So after a bit of research I ordered a refurbished Huawei B818-263 from efones, which to all intents and purposes looks brand new, Kitz Forum
: Advanced users often look for specific firmware versions or third-party tools to lock the router to specific frequency bands for better stability. ⚡ How to Manage Your Firmware Maintaining the "health" of your Huawei B818-263 Firmware
: It can reach download speeds of up to 1.6 Gbps using 5-carrier aggregation. So after a bit of research I ordered