With ability to verify capability of cable to transmit xDSL signals, GAO 5221 xDSL tests Vac/Vdc of copper twisted pair cable, resistance, ac/dc current, capacitance, frequency response, noise, DMT, and load coils. Measuring 260 x 190 x 70 mm, and weighing approx. 1.9 kg, unit has impedances of 75, 100, 120, 135, and 150 <font face='Symbol'>W</font> and automatic. Other features include manual or auto TDR test, 640 x 480 pixels LCD graphic display for test results, and ac/dc or internal battery power supply.

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