Conventional radio calls from clearing up to 8-10 kilometers, generally up to 3-5 kilometers, in situations where there are tall buildings or mountains block, call a relatively short distance. When has the support of network intercom call distance of a few tens of kilometers. Network is to use the repeater (also called base stations or rotary table), automatically receive signals from radio transmitter, and carries on the enlargement and forward. Networking can enlarge the coverage of radio communication, extended range, clearing up to 10 to 20 kilometers (portable intercom) or 30 to 50 km (car radio), building covering basements, underground parking lot, severe fire channel such as shielding, usually called blind Angle.
Release date:
2019
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06
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06
Views：2475
1. Only use HYT original antenna or recognition. Unauthorized antennas, modified or added attachment it might damage the interphone antenna or in violation of the provisions of the radio administration bureau, the ministry of information industry; 2. When use, don't use your hands to the antenna; 3. The walkie-talkie antenna can't back off, otherwise easy to burn out the power tube when launch; 4. Do not use the damaged antenna. At launch, if damaged antenna skin contact, may cause mild burns, please.
Release date:
2019
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05
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29
Views：1664
1. With the original or approved batteries; 2. If the metal conductor such as jewelry, key or bead practice hitting a bare electrode of the battery, all battery may cause damage or personal injury. Please beware of is good battery, especially when put it in my pocket, wallet, or other metal container, special attention should be paid; 3. The charging shall be carried out in an environment of 5 ~ 40 degrees. If over the temperature range, the battery life is affected, at the same time may charge under rated capacity
Release date:
2019
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05
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29
Views：1553