COMPATIBLE Xiaomi Mi WiFi Router 4C Smart APP Control 300Mbps 2.4GHz Wireless Router Repeater with 4 Antennas, Support Web & Android & iOS, US Plug(White) 1. 4 High-performance antennas for stronger signals: the high-quality antennas help to offer a great resistance for the signal. It all starts with a dual-band design, where 2.4 GHz has a maximum signal strength of 5dBi. This creates a stronger and more reliable WiFi, while the four high-gain antennas offer an extremely wide range of signals. 2. 64MB RAM: built-in 64MB RAM, 8 times larger than normal router, has strong performance. The increasing number of connected devices produces valuable RAM strains. Xiaomi Router 4C has a RAM of 64 MB that allows up to 64 devices connected simultaneously all full WiFi speeds. 3. The mainstream Of 2.4GHz intelligent routers: 3 times faster than traditional wireless routers, support the latest IEEE 802.11n protocol, transmission rate up to 300Mbps. 4. APP Intelligent Management: an intelligent home controller center to operate all the smart home appliances. 5. Mini size, stylish appearance: 7 sets of protection, more secure router, to protect your exclusive WiFi zone and etc. Creative, direct and swift connection. 6. Protocol standard: IEEE 802.11bgn, IEEE 802.33u.