I21 is a Wi-Fi access point product especially designed by Tenda for indoor high user density environment like enterprise,Bar,cafe etc.It supports 2.4Hz&5GHz dual-band,uses MIMO,OFDM technology and so on,and provides 1167Mbps wireless transmission speed in maximum by dual-band concurrency.It has two 2.4GHz MIMO antennas and two 5GHz MIMO antennas,supports power adjustment pattern,users can adjust transmitting power according to real environment.It supports standard 802.3af PoE and DC power supply and convenient and fast networking. It can be managed and configurated by all series of access controllers of Tenda.