As a professional DMR manufacturer, Caltta DMR solutions are fully compliant with ETSI DMR standard, featuring wide coverage, analog-digital compatibility, and evolution to LTE, widely applied in public safety, transportation, utilities, etc.
Caltta private LTE solution provides various functions such as PTT, GIS, data collection, video transmission, multimedia dispatching, etc, which greatly improves work coordination and dispatch efficiency.
Caltta eChat PoC system is an advanced platform that utilizes the operator's 2G/3G/4G/5G/Wi-Fi infrastructure to provide wide coverage and unlimited channels, supporting various functions such as PTT, location, visualized dispatching, etc.
Caltta emergency communications solutions include portable, man-pack vehicle-mounted, and Ad-Hoc systems featuring flexible networking and rapid deployment, they are widely applicable in the case of emergencies such as firefighting and earthquake rescue, etc.
Caltta Unified Communication System meets the demand for unification, visualization, intelligence, mobility, and flat design through cross-platform integration and information sharing.
Caltta provides end-to-end 5G products, including 5G Core Network, 5Ggnodeb, and 5G Terminals, which support smooth evolution, open interface, and flexible customization.
As challenges are getting increasingly complicated, it is an indispensable trend to introduce broadband trunking technologies to meet the requirements of professional users from public safety.
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Caltta is committed to providing customized services and professional applications for governmental affairs and smart city construction.
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Caltta wireless LTE trunking communication solution integrates passenger information system (PIS), onboard CCTV, train control (CBTC), and multimedia trunking services in one system.
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Caltta provides diversified solutions for airports and ports by utilizing 2G, 4G, PoC, 5G and integrated networks, to improve daily operation efficiency and emergency response.
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Caltta smart power grid broadband communication solution, based on LTE technology and B-TrunC standard, covers the whole business process of the power system.
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Caltta oil & gas integrated communication solution is equipped with various communications networks supporting automatic data collection, intelligent inspection, and so on, to accelerate digital transformation in the oil and gas industry.
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In response to emergencies, disasters, accidents, and other emergent events, Caltta, as experienced in the Search & Rescue industry, provides an integrated emergency communication solution.
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Caltta commercial solution can secure business operations, improve operational efficiency as well as provide high-quality communications at low costs.
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Caltta is a leading provider of integrated professional trunking communication solutions. With the mission of "Make Communications Safer and Richer", Caltta takes continuous innovation as the technology-driven cornerstone, professional technology as the root of the industry, provides efficient and high-quality services, and works with industry partners to create win-win cooperation of ecology, creating value for global customers.
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With a complete range of 2G, 4G, 5G, and PoC end-to-end products, Caltta brings you a one-stop solution and high-quality services.
Based on the industry-leading carrier-class architecture, Caltta supports "DMR+LTE" and "DMR+PoC" cross-system networking and integrated dispatching.
Taking continuous innovation as the technology-driven cornerstone, Caltta supports flexible customization of solutions from systems to terminals.
With a deep understanding of vertical industries, Caltta's DMR solutions have been widely used in Public Safety, Transportation, Utilities, Energy, Emergency Response, etc.
[Lianyungang, China-September 11, 2026]-Caltta Technologies showcased its fully converged portfolio of public security communication solutions at the Third Public Security Tech Expo in Lianyungang, Jiangsu Province, which was held on September 7, 2026.
[Shenzhen China --- 26 Aug 2026] Caltta, a global leading provider of professional critical communication solutions, has further expanded its European presence by partnering with COMTEQ, its trusted local partner in Norway, to deploy a customized DMR emergency communications system for a Norwegian local government. Built for extreme scenarios, the independent radio network operates autonomously during national grid outages and conventional communication failures — ensuring uninterrupted critical communications for local public safety, emergency response, and municipal operations.
Shenzhen, China — In the wake of severe flooding triggered by Typhoon Maysak, Guangxi Province has faced significant challenges, including reservoir safety risks, power outages, road disruptions, and public network failures. With several communities isolated due to damaged infrastructure and inaccessible roads, maintaining reliable emergency communications has become a critical priority for search, rescue, and disaster relief operations.
Since late July, the North China region has been continuously hit by heavy rainfall, causing river water to surge and flash floods to occur frequently in areas such as Yixian in Baoding, Chengde Luanp...
Jilin, as the geometric center of Northeast Asia, is not only an important gateway for the "Belt and Road" initiative to the north but also holds the significant responsibility of maintainin...
The first immersive drama complex in Asia with Dream of the Red Chamber as its theme—"Only Red Chamber·Drama Fantasy City," integrates 21 theaters, 108 scenario spaces, and various commerc...
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