In the impression of many people, the walkie-talkie is generally the image of "stupid, black and rough", and our requirements for it are often reliable and durable. It seems that such products have nothing to do with technology.However, with the rapid spread of intelligent digital communication technology, walkie-talkies are becoming more and more technological, such as POC radios we are talking a...
We know that the antenna of the intercom is proportional to the transmission and reception of the walkie-talkie, and the antenna is a device that emits electromagnetic waves into the air. We usually use walkie-talkies in order to send more power into the air, so that when the other party receives the signal, there is still enough power to restore the content of the information. The antenna is an i...
In the outdoors, walkie-talkies are in some cases more useful than mobile phones, as they do not require external base station support and can communicate freely with teammates in most harsh environments. In times of disaster, a GPS-enabled walkie-talkie can be used to send SOS signal. The theoretical frequency band of Frs walkie-talkies is in the range of 144-146 and 430-440MHz. In fact, the cent...
Everyone knows the importance of UHF/VHF bands height to communication distance and effect. On the top of the mountain, it is possible to communicate with quite distant stations with only common handheld radio. However, we cannot stay on top of the mountain all the time. If there is a device that can help us transmit signals at a high place, then we can make full use of the advantage of heig...
Millions of people around the world participate in amateur radio contests. Contests can be exclusive to a certain region or held at a global scale. An amateur radio contest (aka radiosport or contesting) is a competitive activity among radio operators done as a group or individually. The main goal is to communicate with as many stations as possible in a given time. As easy as it sounds, there are ...
Whether you're wheeling on the weekend, taking summer RV excursions, or all about that van life, GMRS radios keep you talking when cell phone service isn't possible. GMRS is easy to use and doesn't require programming, making it the perfect radio service for anyone. First of all you need to know what GMRS is. General Mobile Radio Service (GMRS) is a licensed radio service that uses channels around...
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...
Imagine how cool it would be if you could make your own ham radio antenna. After all, externally，there’s not that much of a difference between a ham radio antenna and an old TV antenna, is there? Well, you may be surprised to know that, with a bit of craftiness, you can transform a TV antenna into a functioning ham radio antenna. It just takes a bit of know-how. Cable quickly made TV antennas an o...
