On Sat, 21 Jul 2012 14:02:29 +0000, foxbrain
wrote:


i want to make a remote control for 3 relays using the
encoders/decoders: pt2262 and pt2272 , it doesn't mine what kind of
modulation...
i recently found these 2 ics : u2741b and ata3741 . but what kind of
antenna do i need? is there any other thinks i have to know?

Yes, thinkalot.

Why not buy such a thing as this he

http://tinyurl.com/c2pku44


w.