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2024-12-05
Comparison between walkie-talkies and mobile phones
Radio intercom devices play an irreplaceable important role in global communication systems, used for communication and command scheduling among team members
Selection and maintenance of walkie-talkie batteries
Try to choose batteries that have high energy, long lifespan, low memory effect, and are environmentally friendly.
The communication range of professional walkie-talkies.
The maximum communication distance of a professional machine in a flat and open area without obstacles can reach 3-5 kilometers, but the transmission of radio waves is affected by obstacles such as buildings and trees.
Selection of intercom frequency points
One category is the 150MHz band, and the other category is the 400MHz band.
The display screen of the intercom
Some professional walkie-talkies come with LCD displays, while others do not. This does not necessarily mean that the ones with LCD displays are of higher quality.
The calling function of the intercom
With network support (i.e., setting up a relay station), some walkie-talkies can achieve phone call functionality.
Radiation and Antennas
Keep the antenna 5 to 7 centimeters away from the body during calls to reduce radiation, and try to avoid using exposed antennas.