This is required to build an RF remote control based on 8051 uC. I need bidirectional communication.Kindly suggest an RF Transceiver module for this .Also give its cost and where I can buy it in India?
Try https://www.laipac.com. They are the best people to work with. They have 2,4 GHz transciever modules. You could try them. They cost 19,50 Eur. There are also alot cheaper modules.