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About alan broadband company
ZAPCHECKERS ARE ULTRA SENSITIVE INSTRUMENTS THAT DETECT AND DISPLAY RADIO FREQUENCY RF SIGNALS OVER A BROAD SPAN OF FREQUENCIES. THEY ARE HANDHELD WITH INTERNAL FIXED ANTENNAS WHICH REQUIRE NO ADJUSTMENTS. ALLL MODELS IMPLOY LINEAR (REGULAR AS WELL AS LOGARITHMIC (COMPRESSED) AMPLIFICATION AND DETECTION. EACH UNIT HAS AN ANALOG METER AND LED DISPLAY. ( THE LED DISPLAYS ARE VISIBLE FRO A DISTANCE AND AT NIGHT TIME.
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[Listing #1534727]