¹²TelosB mote is integrating an IEEE 802.15.4/ZigBee compliant RF transceiver at 250 kbps data rate, an integrated onboard antenna, and a 16-bit, 8MHz TI MSP430 microcontroller with 10kB RAM plus 1MB external flash for data logging, programming and data collection via USB. The mote is battery-chargeable of two AA batteries