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Portable ADSL2+ Tester Also Functions as a DMM

This compact ADSL2+ tester, model A0300019, incorporates xDSL testing, PPPoE testing, DMM functions and modem emulation. When operating as a digital multi-meter (DMM), it performs loop resistance, capacitance, insulation resistance and voltage measurements. The portable ADSL2+ tester has both auto and multiple modem modes and can store up to 99 groups of data. It has a high definition backlit LED screen for clear display and an auto power-off function will kicks within a few minutes inactivity.
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About GAO Instruments
GAO Instruments ( is a global leader in research, development and manufacturing of high performance telecommunication testers, electronic measurement instruments and other test and measurement devices.

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