1. Product type: PC UPC APC 2. Insertion loss: less than or equal to 0.3dB 3. Working wavelength: 1200nm-1600nm 4. Return loss: greater than or equal to 50dB 5. Applicable fiber optic cable: 2 x 3 butterfly fiber optic cable 6. Core material: ceramic core 7. Operating temperature: -40-75 degrees celsius 8. Product standard: telecom grade 9. Precision design, stable performance, suitable for a variety of cold connection environment 10. Good continuous performance, can be reused 11. Convenient connection, low insertion loss 12. Size: 60 x 10mm