Asus
https://www.asus.com/hk/Networking/4G-AC68U/
Fast Wi-Fi Speeds – Concurrent dual-band Wi-Fi delivers smooth streaming with 2.4GHz speeds up to 600Mbps and 5GHz speeds up to 1300Mbps.
Ultimate 4G Speed - 4G LTE Category 6 technology lets you enjoy 7X-faster speeds than 3G mobile broadband.
Optimized Wi-Fi Range – AiRadar beamforming and high-power antennas for better coverage.
Parental Controls - Monitor and restrict internet activity for any user.
Enterprise-grade Security - ASUS AiProtection provides advanced protection for all devices connected to your home network.
100% work, only have machine itself with power supply
Hong Kong warranty by Hornington
Trade in MTR