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Instek Telephone Line Checker
Default Title - $26.00 USD
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Quickly checks if the phone line is digital or analog, protecting your modem from damages
Detects over currents
Identify safe line, polarity, or open line
Line noise filter protection from RFI
Compact design for portability
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Press the space key then arrow keys to make a selection.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device