The radio is a special device to establish two-way radio communication between several people

The radio is a special device to establish two-way radio communication between several people. Operating range of models and radios varies, usually determined by the power of the transmitter, receiver sensitivity, antenna, and conditions affecting the propagation of radio waves.

Radios are divided into two categories: short-range radios and radio-range. Radio with a small radius of action, usually cost less and are often designed to maintain contact with colleagues and family members at a short distance. Long Range Radios are required for more serious purposes, are more expensive and require the rental rate in special organs. They have a large number of channels and high power.

Modern short-range radio are very compact, weighing from a few grams and provide a good connection to 8 channels. Power radios are usually commensurate with its size. With a wide range radios bezpeka-shop.com/catalog/ratsii/ everyone will be able to purchase the model that matches his wishes .

With regard to the manufacture of the material, it may be noted here that most of the producers for the production of inexpensive radios use plastic. Most expensive models are made using a metal or high strength plastic. In some devices may be implemented certain functions, such as position determination, the light channels and others.