| 摘要 |
Embodiments of the instant invention are directed to a communications system that monitors the output power level of the communications unit and adjusts the output power level so as to conserve power and maximize the duration of time that any given power supply can operate the communications unit. Preferred embodiments of the communications system include a power monitoring system for monitoring remaining capacity of a power supply and modulating the output power level of an amplifier. The power monitoring system is disposed within the communications unit and comprises a sensor and a processor, wherein the sensor monitors the remaining capacity and the processor modulates the output power level.
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