A9 is a wireless N300 universal range extender, specially designed to extend the exisiting WiFi coverage and improve the signal strength. With one button extension, smart signal LED, wall-mount design and universal compatibility, it is easy for users to boost wireless networking. A9 is an ideal choice for you to eliminate WiFi dead zones and optimize your networking. Strong Signal and Wide Coverage With 2*3dBi external antennas , A9 can provide strong singal and extend the existing WiFi coverage to more 200㎡. Also, by optimizing the software and hardware, the anti-interference ability is improved much, so that A9 can provide stable signal and guarantee the large WiFi coverage. Whole Coverage for Large Multi-rooms Flat For the large multi-rooms flats, single wireless router can not provide a perfect WiFi environment and there are always WiFi dead zones at the balcony, study or bathroom and so on. It is easy to realize WiFi coverage for the whole flat by placing an A9 at the right place according to the signal LED (the LED should be GREEN), and boosting the signal to the whole flat. Whole Coverage for Multi-floor villa A9 can realize WiFi signal extension both horizontally and vertically. In villas, the load-bearing wall always cause serious WiFi signal loss which makes the WiFi signal weak on the other floor. By optimizing the software, hardware and antenna gain, A9's vertically signal-receive ability is 30% better than likewise products. This gurantees the whole WiFi coverage of multi-floor villa. One Button Extension Designed with an extending button, A9 can extend the wireless router's WiFi immediately by pressing the wireless router's WPS button once, and within 2 minutes, pressing the Range Extender button. Just plug and play and it is easy to set up. Smart Signal LED Indicator Once connected with the existing WiFi, it is easy to find the best location for the extender according to the smart WiFi signal LED indicator, so that A9 can achieve the best coverage and works better. Seamless Coverage When the client is moving, the device can re-connect to a stronger WiFi signal automatically without disconnection, which helps clients to enjoy ultra-fast WiFi anywhere in the whole house. Universal Compatible with All Brands Wireless Devices Based on 802.11 n/g/n standard, A9 can work with almost all the b/g/n wireless routers and WiFi DSL.