Confused about your connection, netgear, WA901ND and Lenovo... Try to connect Lenovo to TP-LINK network and check if an IP address obtained automatically, like 192.168.1.4.

Hi Bux, when it happens, try to ping your router's IP. By the way, is there an IP conflict between WR702 and your root device?

As a SOHO device, I don't think it can support 50 tablets connected wirelessly. 20 connections is a very good performance indeed. ;) If you need more, you may try add 1 or 2 access points in your...

SSID disappears, as well as WLAN LED? Do a hard reset and see what happens. Besides, uninstall antennas on it to reduce sensitivity and ensure it is not caused by wireless interference.

Here are some notifications. It may helpful to you. http://www.tp-link.com/en/support/download/?model=TL-WDR4300&version=V1#tbl_j

Jesus, what a pity! Then PA511 is damaged with a wrong firmware. I'm afraid you need to purchase a new one. A quoto from their website, Wrong firmware upgrade may damage your device and void the...