https://www.dfmg.de/en/our-benefits/radio-relay-links.html https://www.dfmg.de/de/unsere-leistungen/richtfunkanbindunge...
so now instead of electromagnetic waves it's light?
what am I missing?
https://www.dfmg.de/en/our-benefits/radio-relay-links.html https://www.dfmg.de/de/unsere-leistungen/richtfunkanbindunge...
so now instead of electromagnetic waves it's light?
what am I missing?