Caltta, established in 2012, is a leading provider of integrated professional trunking communication solutions. With more than 700 experienced professionals and over 300 trunking technology patents, Caltta is capable of providing broadband trunking and narrowband trunking, PTT over Cellular, emergency communications, integrated communication command and other products and solutions. Caltta’s professional trunking system and network have been successfully deployed in more than 60 countries and… Show more Caltta, established in 2012, is a leading provider of integrated professional trunking communication solutions. With more than 700 experienced professionals and over 300 trunking technology patents, Caltta is capable of providing broadband trunking and narrowband trunking, PTT over Cellular, emergency communications, integrated communication command and other products and solutions. Caltta’s professional trunking system and network have been successfully deployed in more than 60 countries and regions around the world, widely applicable in local government, public safety, emergency, rail transit, utilities, energy and other verticals, providing professional communication services to more than 3 million users.Caltta is committed to leading the Convergence of Global PMR Communications. In 2014, it launched the industry-leading "2+4" broadband and narrowband convergence solution, using DMR and LTE convergence networking, while supporting key voice and broadband data services; In 2017, the company proposed a "Converging All to Talk" private network development strategy, advocating "converged services, converged networks, converged terminals and converged industries"; in 2021, Caltta became a subsidiary of Beijing E-own International Investment & Development Co.,Ltd.,. Looking forward to the future, for the digital transformation in the 5G era, Caltta will provide end-to-end 5G industry application solutions, combining artificial intelligence and big data to help multi-industry and multi-field digital construction.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 a win-win cooperation of ecology, creating value for global customers.www.caltta.com/en/ Show less

Excera specializing in design and manufacturing of high performance radios. It developed the world first full duplex multimode Analog/PDT/DMR portable radios. It's parent company, Vigor is a leading designer and manufacturer of Trunking and simulcast infrastructure equipment. Vigor developed the first MPT1327 trunking system in China in 1995, and have been a leading provider of trunking system to public safety for more then 21 years. A pioneer member of PDT std., it have developed a full family… Show more Excera specializing in design and manufacturing of high performance radios. It developed the world first full duplex multimode Analog/PDT/DMR portable radios. It's parent company, Vigor is a leading designer and manufacturer of Trunking and simulcast infrastructure equipment. Vigor developed the first MPT1327 trunking system in China in 1995, and have been a leading provider of trunking system to public safety for more then 21 years. A pioneer member of PDT std., it have developed a full family of products which meet PDT, DMR tier II & Tier III. High performance terminals which meet DMR tier II & III std., Mil 810 standard and IP67. The radios are multi-mode, analog and digital DMR conventional or trunking operation with built in GPS & Bluetooth wireless technology. The terminals are full duplex operation in DMR conventional & trunking mode. With the powerful digital function and excellent quality, provides a solid and reliable guarantee for the emergency communications.High performance repeater and basestation which meet MPT1327, DMR tier II & III std. The repeater and basestation support multi-mode operation, MPT1327 & DMR conventional, simulcast & Trunking operations. With auto switching between digital and analog, it is able to support multi repeaters operation as well as wireless simulcast via IP Interconnect. With the advanced features of local area coverage as well as wide area coverage, it provides a reliable guarantee for critical communications. Excera offers complete total system solution from mobiles, portables, infrastructure equipment as well application system: dispatcher, GPS mapping, voice recording etc. via its API architecture. Its open API allows for third party software and applications to run on its system. The system offers single sites N multi-sites operation with seamless roaming capability. It provides high spectral efficiency, strong security, flexible and reliable networking, smooth transition from analog to digital. Show less