This is an Invisio S10, an equipment used by NATO military personnel for communication purposes. The device is designed for use in harsh environments, making it ideal for those in the military. The Invisio S10 is a highly sought-after item by collectors of militaria and surplus equipment, making it a valuable addition to any collection.

This equipment has been used by NATO personnel and is highly reliable. It has been tested to withstand rough conditions, making it a great choice for outdoor activities. The Invisio S10 is perfect for those who want to add a unique piece of military equipment to their collection.