HAY-RJ45TRACK. The HAYDON MARKETING RJ45 Network cable tester is for use with UTP STP RJ45 (manual switch). Supplied in a handy carry case this kit does everything you need it to do. The working current of the tester is 10mA and the working current of the receiver is 30mA. The signal transfer mode is digital and the signal transfer distance is 3Km with a signal output level of 8Vp-p.. Cable Tester for UTP STP RJ45 (manual switch). Automatic scan for incorrect wiring, cable order errors, open and short circuit. Remotely test cable up to 1000 ft in length (remote kit included). Judge continuity of the cables or wires