In the latest methods of interacting with people, the trunking system makes available a set of connections, in various wavelengths, instead of providing individual connection to each person. A specimen of this can be seen in the telecommunications or the ‘VHF’ radios that the security force uses. This technique can be used in computer network.
Trunking system also means the links of buttons and routes in the telecommunication department. A maximum output is gained using few connections. It is also used by the government to support the fire extinguishing department, police and other security departments with the 2 way contacting system, if a same frequency or wave band is shared.
An improvisation of this can be noticed in the use of trunked radio. A two way radio method is used by a large group of individuals instead of using a personal set. Whenever a group member wants to chat with another person from the group, an unused channel is located and used to converse with the others. The main unit controls and helps the working of the other radios in the system. The chief aim of the system is the proficiency of service a classic example of this is the Tetra Radio.
Terrestrial Trunked radio popularly known as Tetra Radio is a specialized 2 way radio with a walkie talkie gradation. Tetra was mainly created for the exclusive use of the ‘government ‘organizations, armed force and the railways and al the SOS teams. The radio works on TDMA using 4 radio routes. Tetra is designed to justify the European standards.
DMR Radio or the Digital Mobile Radio is an improved version of the professional mobile radio (PMR). DMR offers audio, video coding and other added services. The main purpose of the DMR is to be cost effective, to be able to connect with all types of types of radios. The specifications are mainly to help the buyers with a range of radio solutions. This model is useful at construction sites where the other forms of mobile communications fail to offer the expected services.
The two way radio is a radio that can offer both functions of sending or getting alerts. The 2 way radio is also called a walkie talkie. The instrument can be used within a coverage area of 2-5 miles. Mobile phones are apt instances that fit the definition of a two way radio because it uses two wave lengths to send and get the talk exchange.
Metro Communications offer the best services in supply of the communication service to the residential, commercial complexes and industrial houses. They have all the PMR/DMR models, because the company believes in satisfying every customer. The success of the company lies in their efficient and fast work to satisfy a customer.