EnGenius ERB9250, 2.4 GHz, 300 Mbit/s, WPA, WPA-PSK, WPA2, 10,100 Mbit/s EnGenius ERB9250. 2.4 GHz, Maximum data transfer rate: 300 Mbit/s. Security algorithms: WPA, WPA-PSK, WPA2. Ethernet LAN data rates: 10,100 Mbit/s It's a rare office or home that doesn't have some Wi-Fi dead zones, areas that, for whatever combination of reasons to do with obstructions, interferers or distance from router, have poor or no wireless network coverage. What can you do about them? F...