Some basic classification before purchasing a walkie-talkie
Walkie-talkies and mobile phones, from the appearance and some functions, are very similar to the taste of the brothers.
In fact, the walkie-talkie has been born for a hundred years, and the time is much earlier than the mobile phone. Nowadays, the mobile phone has been updated several times a year. It has evolved into a modern and fashionable thin and light smart phone. The walkie-talkie is still a big fool, but the mobile phone has never been replaced. Walkie-talkie.
Compared with mobile phones, walkie-talkies have the advantage that they can't be replaced. One-to-one and one-to-many high-efficiency calls can be realized in a network-free environment, which is unmatched by mobile phones. With the increase of people's communication requirements, walkie-talkies are widely used in military, public security, security, property management, taxi scheduling and other occasions. This article will introduce some common sense about the classification of walkie-talkies, and I hope to help you buy and use walkie-talkies.
The civilian walkie-talkie refers to the radio communication equipment whose transmission power is between 0.5~1w and the working frequency is between 409~410MHz. It can be used without the license by the state. The actual talk distance is only a few hundred meters, and the practicality is not high. .
Transmitters with a transmission power between 0.5 and 4w and a frequency range of 400 to 480MHz. These intercoms have a talk distance of 800 to 8 kilometers and are generally used in shopping malls, supermarkets, retail and manufacturing.
Amateur walkie-talkie does not mean that the walkie-talkie function is more amateur. On the contrary, it has a very complete function, which can be used for frequency scanning and can be set directly on the panel. It is specially designed for amateur radio enthusiasts. Its stability is not as good as professional walkie-talkie. .
Professional walkie talkie
Professional walkie-talkie refers to walkie-talkies with a transmission power of 4~5w and a frequency range of 136~174MHz or 400~480MHz. The talk time of such walkie-talkies is generally about 3~8km. The professional walkie-talkie does not have a numeric keypad. There are only two knobs to control the number of channels and the power and volume switches. It is relatively easy to operate and has better performance in waterproof, shockproof and anti-drop
The communication distance is about 2~3 kilometers, which can be regarded as short-distance communication. Individual users can purchase civilian walkie-talkies, and unit users can purchase small-power walkie-talkies by applying. When the communication distance in the city is about 3~10 kilometers, you need to buy a professional walkie-talkie. If you are far away, we need a base station or a car radio with relay function. In general, the maximum communication distance of the walkie-talkie will be indicated in the basic parameters of the product. If you are not sure, you can consult the seller at the time of purchase.