am data tansmitter & receiver! help

Hi,

i need to build a transmitter and a receiver for data transmittion of 8 bits. distance of about 30m. propably am tarnsmittion.

do you have any circuits or chips.?
:)

http://www.nvlsi.no/index.cfm?obj=me...layMenu&men=21
http://www.semtech.com/products/para...d=H0,C193,C196

You can consider the following options:

- to build 433MHz circuits by yourself, and here is an example: https://www.edaboard.com/viewtopic.php?t=155985
or,
- to buy off-the-shelf simple RF modules from, for example, OATLEY ELECTRONICS: http://www.oatleyelectronics.com/remote.html

Regards,
IanP