Licson Lee says to 電訊台 https://unwire.hk/2020/05/04/small-optical-link-for-international-space/life-tech/?fbclid=IwAR20rngqFq4Fb8nNxY1cO16-JaH_oBJkCF0T_pXUP0upyo3c6VBgz9T2ln8