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Spam, Self Promotion
Lings-Fire via Amazon[amazon.com] has the LingsFire RJ11/RJ45 Cable Tester/Wire Tracker for Telephone Ethernet LAN Cat5 Cat6 on sale for $15.00 when using coupon code W26PQ9OC during checkout. Shipping is free with Amazon Prime or orders of $25 or more.
This line tester has an "A" rating on Fakespot.
Camel x3 has this price of $15 at an all time low.