| Geometrical Characteristics | |
| Core Diameter | 50 ± 2.5 um |
| Core non-circularity | < 5.0 % |
| Core Clad Eccentricity | < 1.5 um |
| Cladding diameter | 125 ± 1 um |
| Cladding non-circularity | < 1 % |
| Coating diameter | 242 ± 10 um |
| Coating/Clad concentricity Error | < 10 um |
Optical Characteristics | |
| Attenuation | < 3.0 dB/km @ 850 nm |
| < 1.0 dB/km @ 1300 nm | |
| Numerical Aperture | 0.200 ± 0.015 |
| Bandwidth | > 1500 MHz·km @ 850 nm |
| > 500 MHz·km @ 1300 nm | |
| Radiation induced att. | < 208 dB/km @ 835 nm 1kGy |
| < 12 dB/km @ 1307 nm 1MGy | |
| Macro-bend | < 0.5 dB/km @ 850 nm 100 turns 75 mm |
| < 0.5 dB/km @ 1300 nm 100 turns 75 mm | |
Mechanical Characteristics | |
| Proof test | > 690 Mpa |
Temperature Specification | |
Storage and transportation | -62 ℃ to + 85 ℃ |
| Operation | -60 ℃ to + 85 ℃ |
| -190 ℃ to + 385 ℃ (on option) | |
| Reference Standard | |
| IEC 60793-2-10 | |
| TIA/EIA 455-64 | |
| ITU G651 | |
| MIL-PRF-49291/1B | |
