Super WiFi router support OpenWrt with dual core CPU and 512M RAM - ZBT-WG3526 dual band HD

I would like to turn this powerful router to WiFi marketing box, this first step is to check its specification. Next step, we will play around with OpenWrt firmware, install some package and make it more useful Using MTK7621A solution, up to 880MHz. It supports 5*10/100/1000M RJ45 port, 1*USB 3.0, 1* internal PCI-E interface, 1*Micro SD Card, SATA3.0 and so on. Wireless: It is compatible with IEEE802.11AC/N/G/B/A wireless network protocol. The max wireless transfer rate up to 1200Mbps. The external 4 pcs 5dBi antennas can make good wireless performance and broader coverage Software: The original OpenWrt based on Linux is including 802.11ac, IPV6 and Win8 certification, which provides drivers to support VPN upper layer software, audio and touch screen. L7 QoS can work with on-chip hardware accelerators HNAT/HQoS smoothly, it also provides Auto QoS function for Internet and SMB routers. Spec: New dual-core network chipset MT7621, up to 880MHz Provides 5* 10/100/1000Mbps RJ45 ports Provides 1* external USB 3.0 Built-in SATA 3.0 slot Provides 1* PCI-E interface to supports 3G/4G Provides 1* Micro SD Card Compatiable with IEEE IEEE802.11AC/N/G/B/A wireless standard Wireless transmission rates is up to 1200Mbps Features: 1. 5 10/100/100Mbps Gigabit RJ45 Ports 2. New dual-core 880Mhz MT7621Chipset 3. One PCI-E Interface to support 3G/4G, One SIM Slot, One USB3.0 Port, ONE SD Slot. 4. Meet IEEE 802.11 AC/N/B/A 5. 2.4G&5G 1200Mbps WiFi transmission rates 6. Support HSPA+/UMTS quad-band 850/900/1900/2100 MHz GSM/GPRS quad-band 850/900/1900/2100 MHz -~-~~-~~~-~~-~- Please watch: "Mod 5dBi to 16dBi long range outdoor WiFi antenna hack TP-Link Archer C20 WIFI AC900 dualband router" https://www.youtube.com/watch?v=ytgQW49P0GE -~-~~-~~~-~~-~-