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Texas Instruments Inc. introduces a System-on-Chip (SoC) solution with a hardware location engine targeting low-power ZigBee® /IEEE 802.15.4 wireless sensor networking applications. The CC2431 is based on an SoC solution for low-power RF applications, designated the CC2430. Both devices combine the desirable performance of the CC2420 RF transceiver core with an enhanced 8051 microcontroller, up to 128 kB flash memory, 8 kB of RAM and many additional features, all in a 7 x 7 mm package. The CC2431’s RSSI-based location engine accurately calculates the node’s position based on the receive signal strength from CC2430-based reference nodes with known locations and can then send the location information to a collector (e.g. computer, PDA, handset). This capability reduces network traffic and communication delays compared to centralized location systems. In typical applications, accuracy of 3 to 5 meters can be achieved.

www.ti.com 800-477-8924 ® wireless sensor networking applications
Texas Instruments Incorporated
Semiconductro Group, SC-04119
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Ft. Worth, TX, 76155