What is a characteristic of ITU-T G.657 BIF Bend-insensitive fiber?

A characteristic of ITU-T G.657 BIF Bend-insensitive fiber is that it has a small bend radius of 7.5 mm or 10 mm. This design allows the fiber to withstand sharp bends without significant signal loss, making it particularly advantageous in environments where space is limited or where tight turns in the cabling are necessary. Such flexibility helps in easier installation and better performance in various applications, especially in urban settings where the routing of fiber can be complex.

The ability to bend without losing signal quality distinguishes G.657 BIF from standard optical fibers, which typically require larger bend radii to maintain performance. This characteristic is essential in modern telecommunications, where the demand for compact and adaptable installation methods is increasing.