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  • Who is the unsung hero of radio?
    Who is the unsung hero of radio? Jul 26, 2022
    Amateur radio operators have a long and storied history across the globe and are often referred to as “ham” radio operators. Defined as a “duly authorized person interested in radioelectric practice with a purely personal aim and without pecuniary interest and differentiated from commercial broadcasting, public safety (such as police or fire), or professional two-way radio services (such as mariti...
  • Play Tips|The Different Kinds of Amateur Radio Frequencies
    Play Tips|The Different Kinds of Amateur Radio Frequencies Aug 11, 2022
    Amateur radio frequencies are allocated by the national telecommunication authorities. Each frequency differs in each location in every country depending on its bandlength. Frequencies in each city differ but some frequencies can reach multiple locations if it is strong enough. However, the International Telecommunication Union is the primary authority that manages the radio spectrum. This include...
  • How far can dual band radios communicate, 30 km?
    How far can dual band radios communicate, 30 km? Aug 18, 2022
    How far can dual band radios communicate, 30 km? This is one of the most common questions asked by newcomers, but they often do not get a satisfactory answer. This is a complex question that requires a number of factors to be considered. Obstacles are a very important factor in communication distance. In the city, two handheld radios may only be able to talk for 1-2 km, whereas in open areas, they...
  • Why do radios need CTCSS?
    Why do radios need CTCSS? Aug 25, 2022
    Radio beginners often ask questions about CTCSS (Continuous Tone Controlled Squelch System) , thinking that they are vague and difficult to grasp. So today we will talk about what CTCSS is. CTCSS is a technology that adds frequencies lower than the audio frequency (67Hz-254.1Hz) to the audio signal and transmits it together. The purpose is to check whether the signal is legal and whether to respon...
  • What kind of radios are suitable for the hotel?
    What kind of radios are suitable for the hotel? Sep 01, 2022
    With the development of wireless communication technology, two way radios have become a supporting communication product for more and more hotels, so as to enhance the coordination of the hotel's work and promote the hotel's performance up. So, what kind of radios are suitable for the hotel industry? A stable and efficient internal communication system is a must for a hotel that values quality of ...
  • What kind of walkie-talkie is suitable for maritime communication?
    What kind of walkie-talkie is suitable for maritime communication? Sep 07, 2022
    With the vigorous development of maritime industry, the importance of marine radio communication has also been paid more and more attention. Some people may have less exposure to this area, but to give you a few examples, such as the rescue of the Titanic, the rescue of the Jiang Yalun, etc., marine radio communication has played a crucial role. Today we are going to talk about this topic. 1....
  • What is the IP protection level for walkie-talkies?
    What is the IP protection level for walkie-talkies? Sep 13, 2022
    Some green hand hams may have questions when they see the “IPXX” logo on the box of two-way-radios, what is the protection level of the radio? The IP(INGRESS PROTECTION) protection rating system is defined by IEC(INTERNATIONAL ELECTROTECHNICAL COMMISSION). It classifies electrical appliances according to their dust and moisture resistance characteristics. The IP rating of a radio or oter device is...
  • Walkie talkie-the best essential tool for road trip and tour pal
    Walkie talkie-the best essential tool for road trip and tour pal Sep 30, 2022
    National Day holiday is a good time to travel. While relaxing your mood, we reminds all travel experts, please bring your communication equipment-- walkie-talkie when you go out to travel. Whether it is domestic travel or overseas travel, there are also many travel safety incidents resulting from this, and cases of tour pal who have lost contact and gone abroad frequently occur. During the Nationa...
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