Wireless motor control through RF

hi,

I am doing a project named Wireless motor control through RF.
i have also attached the required circut diagram ,and i have 2 doubts in it

1.can any one plesae say me what would be the range of RF remote used there

2.is the circut is correct or it requires any modifications

can any one give me the links to know more about the cirucut .

tanx in advance

The answer is: Not much.

But even better, the web page at the URL below has a link to the datasheet for the receiver and to a similar page for the transmitter. I found it by Googling "A-434 receiver".

http://www.rentron.com/remote_control/TWS-434.htm

And here is a discussion of performance (500 feet).
http://www.electro-tech-online.com/...ntenna-design-434-mhz-rf-reciever-module.html

Plenty more on the web...