Wireless Modules - Arduino Pack contains an Arduino XBee 802.15.4, the Bluetooth Module for Arduino and the new RFID 125 kHz Module for Arduino. You'll be able to use the same shield with each module.
Available the 5 pcs-set of Read Only and Read-Write Cards.
Tutorial RFID 125 kHz module for Arduino
Note: If you are searching for Wireless Sensor Networks devices (motes) you may be interested in our ready to market sensor platform: Waspmote. You can discover the differences between both platforms in the document: Waspmote vs SquidBee.