New Delhi [India], October 31: Indian deep-tech company Nav Wireless Technologies Pvt. Ltd. (NavTech) has unveiled OpticSpectra 10G QKD, an India-developed Free Space Optical (FSO) communication system designed to combine data speeds of up to 10 Gbps with Quantum Key Distribution (QKD) capability, at India Mobile Congress 2026. The platform is designed for optical wireless links of up to 5 km and is aimed primarily at telecom, defence and other security-sensitive communication environments where high-capacity connectivity and secure key exchange are increasingly important