G.657
| Characteristics of a bending-loss insensitive single-mode optical fibre and cable | |
| Fiber Optical Cable | |
| Status | In force | 
|---|---|
| Year started | 2006 | 
| Latest version | 4.0 November 2016 | 
| Organization | ITU-T | 
| Committee | ITU-T Study Group 15 | 
| Related standards | G.651.1, G.652, G.8201 | 
| Domain | telecommunication | 
| License | Freely available | 
| Website | https://www.itu.int/rec/T-REC-G.657 | 
G.657 is an international standard developed by the Standardization Sector of the International Telecommunication Union (ITU-T) that specifies single-mode optical fiber (SMF) cable.