New and high quality Stable characteristics, high reliability The MOST Diagnostic Kit helps you quickly locate fault points, whether the issue is with the motherboard transceiver or cable connection problems The optical fiber loop allows removal or addition of a single vehicle device without affecting the car's fiber-optic network Can diagnose and identify fault points when a node in the MOST (Media Oriented Systems Transport) fails Bluetooth phone module issues such as intermittent sound or no sound can be resolved by disconnecting the fiber from the phone module and connecting it to the fiber loop, which deactivates the Bluetooth phone function and restores audio to normal Attenuation: less than 180 dB/km Working temperature: -55°C to +85°C Color: black Material: plastic Size: 11.5 cm x 2.5 cm x 1.2 cm (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 is included; other products are not included Note: Light and display differences may cause slight color variation between the image and the actual item. Measurement error allowance is +/- 1-3 cm