Greenlee 402T Tone Generator Only, for 402K Kit,Greenlee,402T" /> 402T transmitter is replacement to 402K transmitter. Tone through splitters, identify no-tagged cable drops and identify mis-tagged cable drops Sends tone to identify wires, four distinct tone signatures and simple to use Power 9V battery, battery life transmitter, 25 plus hours Tone output pulsing, 15 dBm into 75 ohms, alternating, 18 dBm into 75 ohms Transmitter frequency 75 KHz nominal