Unfortunately, your requirement cannot be met. Your network provider has set limit that only allowing one user online at the same time. And Access Points or routers cannot do the portal...

As dan has said, you have to replace the PoE injectors too. WA5210G, WA7210N and WA7510N use 12V Passive PoE supply.

1) Insure the two 7510 use the same Region 2) Disable DFS. Or change the Region to Test Mode

There are 2.4GHz antenna, 5GHz antenna and Dual-band antenna. If you have a WR741N router, you may select TL-ANT2408CL for indoor environment. If you have a WA7510N 5GHz outdoor AP, you may select...

update firmware TL-WA5210G_V1_130502 Then reset the device twice. reconfigure it.

The built-in antenna gain of TL-WA5210G is 12dBi. Even with the same gain value, a omni antenna needs several times the input power to achieve the same distance of a directional antenna ( on the...