- Use with either LED or laser light sources. - With a laser light source, bandwidth increases to 2000 MHz/km. Thinking of upgrading to 10-Gigabit Ethernet? Here's the laser-optimized 50-micron cable you want. - Use this cable in 10-Gigabit Ethernet runs up to 300 meters. It's ideal for backbone and campus connections. - All feature tight-buffered fiber with an acrylate fiber coating and aramid yard strength members. - Guaranteed for life!