Identify The Recommended Method Of Walkie - Talkie

- Jul 19, 2017 -

  Identify the recommended method of walkie - talkie

  Many consumers in the purchase of walkie-talkie, most of the Internet will use some of the understanding, of course, this is the first step into the industry. walkie - talkie But for a long time in a special industry or have used a walkie-talkie friends, the following is no longer strange.

  Walkie-talkie is mainly for different users and different industries to classify, walkie-talkie can generally be divided into professional walkie-talkie and amateur walkie-talkie. In different use of the occasion and the use of the environment, these two types of walkie-talkie play their own functions and functions, and their differences how exactly?

  First, amateur walkie-talkie

  It is mainly designed to meet the use of radio enthusiasts designed and produced by radio intercom. This type of walkie-talkie and generally can be called "play machine", such lovers are generally referred to as "HAM" or "ham". walkie - talkie Due to the limited frequency range of such walkie-talkie, the use of environmental conditions and the use of requirements and professional walkie-talkie certain differences. The main features of the current amateur walkie-talkie are: small size, full-featured, can be frequency scanning, can be directly on the panel frequency, the panel can display the frequency point. Its technical indicators, stability, frequency stability, reliability and the working environment is also a considerable gap between professional radio intercom. Of course, the cost of amateur walkie-talkie is also lower, suitable for personal purchase needs. For these amateur personal radio business, each country has opened a dedicated band allocated to amateur radio enthusiasts to use. China opened the band for the 144-146MHZ and 430-440MHZ, the world is generally also the band. In October 2001, the "Radio Frequency Planning of the People's Republic of China" issued by the National Radio Administration Bureau of the Ministry of Information Industry gave special instructions to amateur radio enthusiasts and amateur business. "Amateur business: self-training, walkie - talkie mutual communication and communication for amateur radio enthusiasts Technology for the study of radiocommunication services Amateur radio enthusiasts are those who are officially approved and are interested in radio technology, whose interests are purely personal and do not involve profit.

  Second, professional walkie-talkie

  Its users are mostly used in the professional business of the group team. It mainly includes: enterprises, institutions or government agencies, including some private teams and so on. Therefore, the professional radio intercom features include the following: simple and practical. In the design are generally left a variety of communication interface for users to develop for the second time. This type of radio frequency settings are mostly programmed by the computer, the user can not change the frequency, the panel shows only the number of channels, not directly show the frequency point, the frequency of confidentiality is better, walkie - talkie the frequency stability is also high, not easy to frequency hopping. In the long-term work, its stability, reliability are higher, wide operating temperature range, generally in -30 degrees to +60 degrees. The operating frequency of the professional machine is part of the V high section (148-174MHZ) and the V low stage (136-160MHZ) in the VHF section. Another part is the whole (136--174MHZ). However, in the UHF band, most of the U high (450 - 470MHZ) and U low (400--430MHZ), very few are U full (400-470MHZ). Professional walkie-talkie performance, reliability, stability are higher than the amateur machine, of course, the price naturally higher than the amateur machine, and some even higher than a lot.

  This classification is only based on the use of the market and the environment only, there is no absolute amateur walkie-talkie and no absolute professional radio that, walkie - talkie of course, is based on the user's own conditions to recognize. After all, the use of walkie-talkie groups is relatively speaking a small range.


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