► Good uniformity and low insertion loss; ► Low Polarization Dependent Loss; ► Excellent Mechanical; ► Stability Telcordia GR-1221 and GR-1209; ► Components through TLC-Certified, Conform to YD1117-2001; ► Operating environment: -40℃ to +85℃; ► High Polarization Extinction Ratio & Excellent Uniformity; ► Fiber input: 0.9mm or 250μm fiber for choice; ► Fiber output: 250μm bare fiber (It is benefit for splicing); ► Corning SMF G.657A Fiber.