signal-strength meter

signal-strength meter

[′sig·nəl ¦strəŋkth ‚mēd·ər]
(electronics)
A meter that is connected to the automatic volume-control circuit of a communication receiver and calibrated in decibels or arbitrary S units to read the strength of a received signal. Also known as S meter; S-unit meter.
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They were originally thought by some to be a gimmick, but reports from Alaskans indicate the device does offer some signal improvement-reportedly an increase of up to one bar on the phone's signal-strength meter.

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