please help, xbs1 or xbs2 ??

hi everybody ,
this is the first time for me to use the xbee radios , and im confused between xbs1 and xbs2 which one is the best for me , coz my prject is somehow simple . it is to connect a water sensor to a microcontroller then to xb radio then this radio send to the other xb radio which is connected to pc to get the result of the sensor in real time . thats all

so which radio shall i use ??

Hi,

Use of Radios (Xbee Series1 and Series2 modules) depends upon the network that you select.

XBee Series2 modules supports only Zigbee and ZNet networks.

Hope this helps.

Regards!