1. 1*3 optical fiber coupler 2. single mode or dual windows 3. 1310nm or 1550nm, 1310nm&1550nm 4. FC or SC connector Applications:1, CATV2 ... -40degree to +80 degreeStorage temperature-40degree to +85degreeFiber typeNaked fiber, loose fiber or cableFiber lengthUser-definedPort Configuration1 to 2, 1 to 3, 1 ... to 2, 2 to 3, 2 to N, User-defined optical fiber coupler