| 摘要 |
An apparatus to monitor location coordinates of an electronic tracking device. The apparatus includes a transceiver, a signal processor, an accelerometer, and an antenna. The antenna communicates signal strength to the signal processor associated with the electronic tracking device. In response to signal strength, a battery power monitor controls battery usage by electronic circuitry associated with the electronic tracking device. An accelerometer provides a supplemental location tracking system to improve tracking accuracy of a primary location tracking system of the electronic tracking device.
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