nid help about powerline communication

[nhero10]

We will design a modem that can be plug in the AC outlet. ung modem namen n gagawn ay transceiver n lalagyan ng internet galng sa modem tapos lalabas sa kablng transceiver na connected sa isang pc. tapos ung isang transciever merng ac outlet na kaht anong nakasaksak e macocontrol or maturn ON an OFF using the PC...cno poh makaka2long sa paggwa ng prototype n 2.plsz leave some contact no. or yahoo mail...any information will do...tnx.......

[zer0w1ng]

What is your maximum target bandwidth for the modem?

FYI, there are already ready-made products like this:
http://www.sparkfun.com/commerce/product_info.php?products_id=9185

For large bandwidth, need DSP for sending and decoding data sent via power line.

[jycegrcia]

National site has got good information regarding to powerline communication. It has also got a format for sending serial data over power lines using 200khz carrier. I think you need to check it out there, you will get some solution.