Professional mobile radio of DMR and TETRA standard
For the organization of professional radio connection Comita Group of Companies offers modern multifunctional equipment of TETRA and DMR standard.
The equipment of standard TETRA (TErrestrial Trunked Radio) support digital trunked radio communication including the transmission of voice, data and messages between two subscribers or group of subscribers. This equipment provide the creation of digital integrated systems both small and medium scale with the possibility to expand them until a regional as well a national scale. The frequency bands 380-400 MHz and 410-430 MHz with a channel width of 25 KHz with the possibility of using 4 temporary channels on one frequency.
The experts of the Comita Group of Companies on the base of equipment’s standard DMR (Digital Mobile Radio) have invented a new solution for the Russian Federation about how to make equipment for automated system of dispatch radio communication. The structure of communication system is scalable and depends from requirements of the area of coverage and the volume of the traffic system. It could use one or the multiplicity of base stations with different number of radio channels. The base station provides radio coverage in a specific geographical area. The frequency bands are 136-174 MHz or 403-470 MHz with channel bandwidth 25 KHz with the possibility of use two time channels on one frequency.