Importance

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Abstract

A mobile communication transceiver includes a controller. The controller includes an A/D converter, a memory, and a CPU. The A/D converter converts an output voltage corresponding to a reception input voltage from the receiver into a digital signal. The memory stores a plurality of predetermined data for determining a speech enable electric field level and a plurality of predetermined data for determining a high electric field level. The CPU determines a speech enable electric field level by comparing the digital signal from the A/D converter with the data stored in the memory. The CPU compares the digital signal supplied from the A/D converter through an interface with the high electric field level determination data stored in the memory when the high electric field level is determined. The CPU selects a determination level of the speech enable electric field level from the plurality of data stored in the memory.

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First Claim