# ITU-T G.9991

> ITU-T standard for indoor line-of-sight optical networking

**Wikidata**: [Q66827705](https://www.wikidata.org/wiki/Q66827705)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/ITU-T_G.9991)  
**Source**: https://4ort.xyz/entity/itu-t-g-9991