Meritline.com offers this Network Cable Tester, model no. 9770, for $4.99. Coupon code "MLCK600494070530AL1" drops it to $3.49. With free shipping, that's $3 under April's mention and the lowest total price we've seen for this particular tester. It tests several types of cables and connections, including Cat5e, RJ45, RJ11, and more. Coupon ends after 500 uses.
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