Apparatus, instruments and equipment for radio communication, localization, geolocation, management and presentation of map data; electronic positioning and guidance systems; equipment for satellite navigation; battery chargers; electric batteries; batteries for navigation and positioning systems; geographic information production systems, namely, satellite systems, GPS; GPS navigation devices; software for location and navigation systems for dismounted infantry, security or intervention personnel; apparatus and equipment for acquisition, compression, transmission, analysis and restitution of satellite images, aerial photographs and terrain models.