I received this code and deal details from Wireless1 staff.
Mercusys is TP-Link sub brand and quality is similar to deco series m4 3 pack and cheapest.
Apply S12 Code at checkout. Enjoy :)
Regular Post Standard Delivery $0.00
Mercusys Halo S12(3-pack) AC1200 Whole Home Mesh Wi-Fi System | One Unified Network | Seamless Roaming | Whole-Home Coverage | Hi-Speed Wi-Fi | Ultra-High Performance | 2 Year Warranty