Cannot. Your ISP has to use VDSL connection? If it is true, I'm afraid that no TP-LINK products are proper for you. If your connection is ADSL2+..., you may change it with a different model like...

If there is any driver update for wireless card on your Sony, you may try.

Supports Multiple PVC (Permanent Virtual Circuit)... It means that we can create more than 1 PVC... No VLAN... TD-8616 is a simple bridge modem. To share internet, you need a router to work with it....

What's the model number of the wireless powerline extender? TL-WPA281 or TL-WPA4220? On the back of it, you should be able to find a password which is composed of 8 digits. That's the default Wi-Fi...

What you said is to make powerline adapter pair up and communicate with each other. BUT PA411KIT has no Wi-Fi function. It won't broadcast a Wi-Fi signal....

TL-PA411KIT has no Wi-Fi function at all... You have to access internet by wired connection to it... I think maybe you need TL-WPA4220KIT? http://uk.tp-link.com/download/TL-WPA4220KIT_V1.html