IN IN9821DEN2014A
An improved wearable locator has an ultra- low power RF transceiver, GPS receiver , cellular network RF transceiver processor , programmable non -volatile memory , LCD display ,accelerometer and rechargeable battery. To ensure that the locator is within a perimeter , it can cooperate with a subordinate unit that includes an ultra -low power RF transceiver , processor , power supply , DC charging output , rechargeable battery , visual, audible and tactile enunciators and pushbutton , and can be plugged into an outlet or be unplugged and be mobile. Other wireless units can be used to define a perimeter.
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