The XBee-PRO ZB SMT Programmable from Digi is a RF Module with Frequency 2.4 GHz, Data Rate Up to 1 Mbps, Supply Voltage 2.7 to 3.6 V, Current Receiving 45 mA, Current Transmitting 114 mA. More details for XBee-PRO ZB SMT Programmable can be seen below.