Welcome to enewshop. Router 4A Wireless WiFi 2.4GHz 5GHz Dual Band 1167Mbps WiFi Repeater 4 High-gain Antennas 64MB Memory APP Control Network Extender for Home and Office Use (Chinese Version)
Xiaomi Router 4A has  4 high-gain antennas. 64MB large storage and 1167Mbps ensures high performance. Smart APP control can effectively prevent wifi-squatter. It is absolutely a superb choice for you.
Features:
Wireless Dual Band 
Support 2.4GHz and 5GHz two frequency bands. The max speed rate can reach to 1167Mbps. 2.4GHz band supports longer, better coverage and through-wall performance. 5GHz band uses 802.11ac technology. Less interference, high rate. Watch HD video and play smooth game.
Dual Band Shares One WiFi Name
Xiaomi router 4A support dual band. It combines 2.4GHz and 5GHz in one WiFi name. 2.4GHz has better through-wall performance and 5GHz has higher rate.
High Gain 4 Antennas for Stronger Signal
4 external high-gain omnidirectional antennas. Hugely improves transmission performance and do great job under various complex environment.
64MB Large Memory
Smart home appliance era. More devices need stable connection. Xiaomi router 4A adopts 64MB memory that ensures stable transmission.
Smart Error Correction Calculation
5GHz frequency support LDCP error correction calculation. Strengthen anti-interference performance. Boost WiFi signal and improve transmission speed rate.
Specification:
Brand: Xiaomi
Model: Mi Router 4A
Color: White
Material: ABS + PC
Dual Bands: 2.4GHz, 5.0GHz
ROM: 16MB
RAM: 64MB
2.4G WiFi: 2*2（Support IEEE802.11n, Max 300Mbps）
5.0G WiFi: 2*2（Support IEEE802.11ac, Max 867Mbps）
Antenna: Out All-direction 4 antennas
Item size: Approx. 18.8 * 17.5 * 10.5cm / 7.40 * 6.89 * 4.13in
Item weight: Approx. 240g / 8.47oz
Package size: Approx. 21 * 15 * 5cm / 8.27* 5.91 * 1.97in
Package weight: Approx. 500g / 17.64oz
Package List:
1 * Router
1 * Power Adapter
1 * User Manual