At present, explosion-proof walkie-talkies on the market are mixed with each other. Once the explosion-proof walkie-talkie is purchased carelessly, major dangerous accidents are likely to occur. Therefore, when purchasing explosion-proof walkie-talkies, you must choose an original authentic, well-known brand of explosion-proof walkie-talkies.
Digital explosion-proof walkie-talkies use more advanced call technology, its good call quality, clear sound quality, strong anti-interference ability and other advantages, has become a reason for many consumers to buy.
So what are the reference factors for purchasing explosion-proof radios?
At present, explosion-proof walkie-talkies on the market have nationally recognized explosion-proof certificates. Generally, walkie-talkies without explosion-proof certificates may be in danger of use. Explosion-proof radios are affixed with an FM / ATEX certification label to indicate that the product has been certified by the association for use in certain hazardous gases.
2, explosion-proof certification
Not all explosion-proof walkie-talkies are suitable for various working environments. Explosion-proof walkie-talkies have a certain explosion-proof level to correspond to different working environments. Explosion-proof walkie-talkies in general chemical plants and chemicals production are of IIA / IIB / IIC grade, of which IIC is the highest explosion-proof grade.
3. Identification of explosion-proof walkie-talkies
The appearance of explosion-proof walkie-talkies is not different from that of ordinary walkie-talkies, but the materials and physical characteristics are very different from ordinary models. The explosion-proof certification label is affixed to the back of the walkie-talkie, and the explosion-proof walkie-talkie can be identified by removing the battery.
段范围 4.Explosion-proof frequency range
Explosion-proof walkie-talkie frequency bands can be divided into two types: UHF (400-470MHZ) and VHF (156-163.275MHz). UHF is used in environments with high density and many obstacles, such as cities. VHF is mainly used in the wilderness or the sea. Empty environment.
At present, the more famous explosion-proof walkie-talkies on the market are: Motorola defense, Hytera, Kelixun, Kenwood, Wetex and so on. 代理商，不可盲目购买。 When purchasing explosion-proof walkie-talkies, be sure to choose a regular explosion-proof walkie-talkie manufacturer or agent, and do not buy blindly.
代理商，不可盲目购买。 When purchasing explosion-proof walkie-talkies, be sure to choose a regular explosion-proof walkie-talkie manufacturer or agent, and do not buy blindly.