New and high quality with stable characteristics and high reliability. 1. The MOST Diagnostic Kit helps quickly locate fault points, whether caused by motherboard transceiver issues or cable connection problems. 2. The optical fiber loop allows removal or addition of a single vehicle component without affecting the car's fiber-optic network. 3. It can diagnose and identify fault points at any node in the MOST (Media Oriented Systems Transport) network. 4. Bluetooth phone modules often fail when stereo sound becomes intermittent or silent; by disconnecting the fiber from the phone module and connecting it to the fiber loop, the Bluetooth phone function is deactivated, restoring normal operation immediately. 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 mm Finished product diameter: 2.3 mm Package Contents: 1 x Male Connector, 1 x Female Connector Only the above package content is included; other products are not included. Note: Lighting and display differences may cause slight color variation between the image and actual item. Measurement error allowance is +/- 1-3 cm.