New and high quality Stable characteristics, high reliability The MOST Diagnostic Kit helps quickly identify fault points, whether related to the motherboard transceiver or cable connection issues The optical fiber loop allows removal or addition of a single vehicle equipment without affecting the car's fiber-optic network Can diagnose and locate fault points at any node in the MOST (Media Oriented Systems Transport) network Bluetooth phone module often causes intermittent sound or no sound when stereo is turned on; the fiber from the phone module can be disconnected and connected to the fiber loop to deactivate the Bluetooth phone function, restoring o immediately Attenuation: less than 180dB/km Working temperature: -55°C to +85°C Color: black Material: plastic Size: 11.5cm x 2.5cm x 1.2cm (L x W x H) Core diameter: 1.0 Finished product diameter: 2.3 x 2 Package Contents: 1 x Male Connector 1 x Female Connector Only the above package content; other products are not included Note: Light and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowed error is +/- 1-3cm