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RadioActivity

Radio Activity S.r.l. is an Italian manufacturer specializing in Professional Mobile Radio (PMR) and mission-critical communication systems. Founded in 2003 and headquartered in Milan, Italy, the company develops reliable, high-performance, and flexible communication solutions for professional users.

Its product portfolio includes DMR digital radio systems, simulcast networks, base stations, repeaters, paging systems, SIP/RTP over IP communication equipment, network management platforms, and customized hardware and software solutions for large-scale radio infrastructures.

Radio Activity is a member of the DMR Association and an accredited DMR Interoperability Test Laboratory, demonstrating extensive expertise in digital radio technologies and interoperability testing. Its solutions are widely deployed in law enforcement, fire services, emergency response, public utilities, transportation, and industrial applications, with successful installations ranging from standalone repeater systems to nationwide simulcast networks worldwide.

https://www.radioactivity-tlc.it/

Products

KAIROS KA-350

KAIROS KA-350 UHF Digital Repeater

The Radio Activity KAIROS KA-350 is a professional UHF software-defined radio (SDR) base station and repeater designed for mission-critical communication networks. Built on a Linux-based IP architecture, it supports Analog, DMR Tier II, DMR Tier III, and P25 Conventional operation with software-upgradable functionality. Featuring IP multisite networking, simulcast capability, system redundancy, and advanced remote management, the KA-350 delivers a highly reliable and scalable communications solution for public safety, transportation, utilities, and industrial applications.

KAIROS KA-160

KAIROS KA-160 VHF Digital Repeater

The Radio Activity KAIROS KA-160 is a professional-grade VHF software-defined radio (SDR) base station and repeater designed for mission-critical communication networks. Built on a Linux-based IP architecture, it supports Analog, DMR Tier II, DMR Tier III, and P25 Conventional operation with automatic mode selection. Featuring simulcast capability, IP multisite networking, system redundancy, and advanced remote management, the KA-160 provides a scalable and highly reliable solution for public safety, transportation, utilities, and industrial communications.