TADKOM
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TADKOM / TAktisk Digital KOMunikasjon (English: TADCOM / TActical Digital COMmunication) is an encrypted network used as a carrier for most of the communication for all four branches of the Norwegian military. Most nodes operate on a speed of 2mbit and above. TADKOM is also used to carry signals such as Link-11, Link-11B, Link-16 and Link-22(Future). The system use the X.25 protocol to communicate between the nodes.
TADKOM is classified for Nato Secret and National Secret without any additional encryption devices.