/en en /en/worldwide/defence/news/modem-21-dynamic-innovation-milsatcom-security Communication systems have always been a strategic target in times of conflict, but Modem 21 is one solution that has never been beaten in the fight to protect satellite communications against jamming. Now a NATO standard, Modem 21 technology has consistently drawn on the latest innovations to adapt to the specific needs of each customer. 04 Dec 2018 2727351 /sites/default/files/database/assets/images/2018-12/modem%2021_0.jpg