APPI-Technology is a French manufacturer specializing in wireless communication equipment for mobile teams operating in off-network environments. The company designs, industrializes, and markets a series of radio intercom systems (full-duplex, with ranges from 300m to 4km), as well as gateways that enable connectivity to conventional networks (3G/4G). APPI® technologies are either incorporated into their own products or can be integrated into third-party systems to streamline communications for personnel working in challenging conditions—such as noisy or confined spaces—across defense, civil security, and industrial sectors.