Journal of Sensors / 2010 / Article / Tab 1

Research Article

Design of a Child Localization System on RFID and Wireless Sensor Networks

Table 1

Power consumption of hardware components in the client node.

Power supplyCurrent

SkyeTek M8 reader5 V600 mA @ 500 mW output
250 mA @ 15 mW output
<50 μA sleep

Crossbow Mica2 mote3 VProcessor: 12 mA @ full operation, 10 μA sleep
Radio: 7 mA receive, 10 mA transmit (1 mW power), 1 μA sleep
Serial flash memory: 15 mA write, 4 mA read, 3 μA sleep

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