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description=The official authority on the ETSI Digital Mobile Radio standard. We drive DMR innovation, interoperability (IOP) testing, and global adoption for professionals.;

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dmr association the global standard for digital mobile radio email dmr association x social media members login area digital mobile radio association home about us about us the dmr standards application interface ais key benefits of dmr the dmr trademark dmr documents iop certification certification process issued certificates iop resources our members products showcase join us structure benefits how to join us members login contacts dmr tier 3 iop advancements missed the iwce 2026 conference the latest presentation on dmr tier 3 interoperability certificate advancements is now available log in and head to other documents presentations 2026 to download it login supporting the etsi dmr standard the digital mobile radio association plays a crucial role in the continued success and evolution of dmr technology ultimately aiming to elevate the user experience read more fully optimized spectrum investment dmr splits one channel into two instantly doubling your capacity without requiring investment in new repeater sites or additional frequencies read more unleashing the potential of dmr by introducing the ais application interface the digital mobile radio association has redefined user capability offering a sophisticated toolkit for advanced functionality and control read more the world s leading business radio standard join a global network of over 15 million users as the driving force behind digital mobile radio our dedicated team provides unmatched support and expertise to our growing international community driving excellence since 2005 the dmr association s core mission is to support the european telecommunications standards institute etsi in the continuous development of the dmr standard we focus specifically on optimizing commercial applications across tier ii and tier iii shape the future of dmr we warmly welcome all businesses who champion the professional use of digital mobile radio by becoming a member you help us advance this vital technology and define the next generation of communication standards through collaborative industry leadership improving standards elevating experiences we combine our knowledge and expertise with education awareness certification and interoperability training to guarantee that today s digital radio technology customers experience the highest level of service we invest our time and energy to futureproof your investments as a member of the dmr association you ll benefit from the frequent and direct communications that we hold with global regulators trade bodies and standards organisations we are committed to ensure that all dmr products reach the market within a successful open multi vendor chain and that our members gain from continuous competitive development ultimately our goal is to turn technical complexity into market opportunity through structured education and verified interoperability we provide the clarity and consistency needed for the industry to thrive the technical working group driving the standard the mission our focus is the interoperability iop of digital mobile radio equipment we maintain the official framework that enables products from different manufacturers to work seamlessly together to achieve dmr association certification manufacturers must successfully complete testing according to our established iop test suites the solution to streamline this process we provide advanced software tools designed to automate and standardize iop validation by verifying device behavior against a centralized reference we ensure that test results are consistent objective and easily auditable across the industry access participation these iop tool applications and documentation are available exclusively to category 1 members via the dmr association website we strongly encourage category 1 members planning to participate in iop test sessions to download and utilize these applications your active use and technical feedback are vital to the continuous improvement of our testing environment breaking down proprietary barriers the dmr applications interface ais delivers a standardized way for applications and networks to interact driving a more open and flexible digital radio ecosystem application interface ais dmra news the dmr association is delighted to announce that astra rafael comsys has joined our membership as a category 1 member operating as a joint venture between astra microwave products limited india and rafael advanced defense systems israel astra rafael comsys arc is a premier technology leader in advanced tactical communication solutions the company specializes in the indigenous design development and integration of high end digital communication systems tailored for defense and mission critical applications arc s comprehensive portfolio spans next generation software defined radios sdrs electronic support measures esm and cutting edge cognitive radio technologies designed to deliver robust high performance communications infrastructure across demanding environments welcome eviden operating in 36 countries eviden is a next generation leader within the atos group specializing in advanced computing cybersecurity and mission critical systems their hardware and software solutions deliver secure data applications vision ai and reliable communications to safeguard vital global operations welcome sheetal wireless founded in 1999 sheetal wireless is a leading provider of mission critical telecom solutions across vital sectors like utilities and public safety their advanced infrastructure seamlessly bridges traditional radio systems with modern broadband networks welcome consort digital founded in 2006 consort digital is a leading enabler of mission critical communication solutions across vital sectors like mass transit and public safety their flagship mcx one platform seamlessly bridges traditional radio systems with modern broadband networks the dmr association your trusted partner for digital radio success boasts a diverse membership of over 200 organisations from around the world who play a crucial role in the development and widespread adoption of dmr technology members of the dmr association key features of the dmr standard interoperability between manufacturers backwards spectrum compatibility state of the art forward error correction options for traffic encryption ip data fast automatic vehicle localisation avl optional encryption for secure communications direct mode of operation doubling of capacity in existing channels data applications interface ais two slot time division tdma operation green credentials dmr enables a single 12 5 khz channel to support two simultaneous and independent calls this is achieved using tdma time division multiple access under tdma dmr retains the 12 5 khz channel width and divides it into two alternating timeslots a and b where each timeslot acts as a separate communication path each communication path is active for half of the time in 12 5 khz of bandwidth each uses an equivalent bandwidth of half x 12 5 khz or 6 25 khz this is known as having an efficiency of one talk path per 6 25khz of spectrum however with dmr the channel as a whole maintains the same profile as an analogue 12 5khz signal this means that dmr radios operate in the licence holders existing 12 5 khz or 25 khz channels there is therefore no need for re banding or re licensing but at the channel capacity is doubled read more our members mission is to deliver affordable low complexity digital systems we are dedicated to optimizing these protocols and extending capabilities while reducing costs through a diverse ecosystem of compatible products members products showcase x social media dmr association privacy policy web design by graphic identity