Sure, you can buy Ethernet cables from the store, but where's the fun in that? If you want to make custom cable lengths or crossover cables, or repair a broken connector, why not do it yourself?

This is a multifunction RJ45 network cable tester. It is the design of the network cable (RJ45) test, and telephone (RJ11). It is cheap and easy to use. It works for network, telephone, cable with ...