How to limit the range of Xbee S1 transmission

I have a xbee S1 Module. I wanted to limit its range to a mere of 10Meters. So the transmission should be limited to a radius of 5meters.

Is there any way to limit transmission ranges for Xbee

Specific to your question for limiting range you can create a poor LOS environment (obstacles, etc.), reduce transmitting power/gain.
Use the lowest power (1mW) device, enclose and obscure the antenna. anything you can do to impact the Fresnel zone in a negative way.
Heck I am getting 30m with just a window between devices so it should not be hard to drop the range…I’m trying to go the other way.