This Audio Extension Cable from Axis Communications can be paired with the T8351 Mk II Microphone 3.5mm and other select mics to allow you to transmit the analog audio signal up to 16.4' between the microphone and the network camera. Compatible Microphones AXIS T8351 Mk II Microphone 3.5mm AXIS T8353A Microphone 3.5mm AXIS TU1001-VE Microphone AXIS TU1001-V Microphone AXIS TU1002-VE Microphone Kit