I ended up getting two xbee pro S2B since the store ran out of series1.
I run into a lot of confusion of how to connect this up to an arduino. Do I need the USB xbee adaptor or can i directly connect the xbee to the arduino?
where would I wire the xbee i/o to on the arduino?
3V3. A 3.3 volt supply generated by the on-board regulator. Maximum current draw is 50 mA.
If you get the shield or adapter, connect 5V, Gnd, and any two digital pins, and use NewSoftSerial (0023 or earlier) or SoftwareSerial (1.0 or later) to talk to those pins. Do not use SoftwareSerial on 0023 or earlier. It is obsolete.