SC LC ST Fiber Optic Loopback Adapter Kit Male Female for Cable Connection Testing new and high quality<br> Stable characteristics, high reliability.<br> 1.The MOST Diagnostic Kit to help you to quickly find the fault point, whether it is the problem of the motherboard transceiver, or cable connection problems<br> 2.The optical fiber loop can remove or add a single vehicle equipment, and do not affect the car fiber-optic network<br> 3.It also can diagnose and find fault point when a node in the MOST (Media Oriented Systems Transport)<br> 4.Bluetooth phone module was often damaged when opening stereo the sound intermittently, sometimes no sound, the fiber of the phone module<br> can be pulled out, connected to the fiber loop, deactivate the Bluetooth phone function, audio immediately return to normal.<br> Fitment for<br> , ,,.<br> Attenuation: less than 180dB/km<br> Working temperature: -55 Celsius - +85 Celsius<br> colour:black<br> Material:plastic<br> Size:11.5cmX2.5cmX1.2cm(LXWXH)<br> Core diameter: 1.0<br> Finished product diameter: 2.3*2<br> Package Contents:<br> 1x Male Connector<br> 1x Female Connector<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.