help in selecting Antenna for nRF905

Hi Guys,

I am new to RF design. I am trying to select a 433Mhz 50Ohm antenna with coaxial cable of 2-3 meters for nRF905. Can some one pls sugesst what all parameters should be considered and what is the best place to start with.

I tried google but didnt get much pointers.

Thanks

Tama