The Key Features of Huawei AR500&AR510&AR530&AR550&AR2500 is the following
1- SEP : Smart Ethernet Protection
2- VPN :
3- Security:
4- QOS : Quality of Service
5- IPV6:
6- WLAN: Wireless Local Area Network
Technical Details are attached in PDF
Eventually , The Key Features is one of importance factors of Product that plays Major role in Markating Enjoy!
From group: Router