need help in buying wireless module

i there i need your help in buying wireless module; i am not pro in arduino, i am beginner to intermediate level. i will using wireless module in my RC car controlled by xbox controller and for also for my quadcopter project controlled by xbox controller via processing. xbee is bit costly for me. is there any other alternative.

what do you think about this product:NRF24L01+ with antenna
http://www.ebay.com.au/itm/NRF24L01-Wireless-Transceiver-Module-SMA-Antenna-Microcontroll-Arduino-2-4G-/300933477710?pt=AU_B_I_Electrical_Test_Equipment&hash=item461108754e

please help me to choose one

Looks like a good price for card & telescoping antenna.

Arduino can control card via SPI.
Will you have arduino on both ends?

CrossRoads:
Looks like a good price for card & telescoping antenna.

Arduino can control card via SPI.
Will you have arduino on both ends?

yes