| G.642 | 50/125 | 62.5/125 | ||
| Attenuazione massima | @850 nm | 3,5dB/km | 3,5dB/km | |
| @1300 nm | 1,5 dB/km | 1,5 dB/km | ||
| @1310 nm | 0,45 dB/km | |||
| @1550 nm | 0,30 dB/km | |||
| Attenuazione tipica | @850 nm | 3,0 dB/km | 3,0 dB/km | |
| @1300 nm | 1,0 dB/km | 1,0 dB/km | ||
| @1310 nm | 0,40 dB/km | |||
| @1550 nm | 0,25 dB/km | |||
| Larghezza di banda minima | @850 nm | 400 MHz·km | 160 MHz·km | |
| @1300 nm | 800 MHz·km | 500 MHz·km |