General XBee question

Can the modules Parallax 32440-RT XBee Wireless Pack Be Connected * just the module not the adapter boards* into the Wireless shield http://arduino.cc/en/Main/ArduinoWirelessShield, And is the second unit required or will it communicate directly your wireless network ?

Yes. The XBee in that pack cannot be used in a WiFi network though. You need a second one.

so the second one in that pack would have to be used :( VIA serial?