By: Jeremy NeisserThe first thing we need to understand is how radio waves can transmit speech. The answer comes in the form of electromagnetic radiation. It works like this: human speech is converted into vibrations that travel through the air at a certain frequency, which we hear as sounds. How do Walkie Talkies Work?As someone … Read more
By: Jeremy NeisserAntennas are elements that can receive or transmit radio waves. Antenna types vary according to the frequency of the radio waves they are designed for, among other things.What are the Different Types of Antennas?Generally, there are three large groups of antennas: directions, semi-directional and Omni-directional antenna. Most antennas fall into one of these three … Read more
By: Jeremy NeisserDTMF stands for Dual Tone Multi-Frequency. It’s a technology that is used in many countries by many companies to send data over the phone lines. Usually, it is associated with automated telephone systems, which can be anything from an Interactive Voice Response System (press 1 for …) to a car dealership or bank account … Read more
By: Jeremy Neisser Frequency response in headphones is one of the key specifications for any pair of headphones. A frequency response graph represents how well (or poorly) a set of headphones can reproduce sound across all audible frequencies. Before we continue, it’s important to note that frequency is measured in Hertz (Hz), or cycles per second. … Read more
By: Jeremy NeisserCB Radios have come a long way from their origins as truckers’ necessities to versatile consumer electronics. Modern CB Radios use the latest technologies to transmit messages in excess of 10 miles, and most feature some form of new technology that improves sound quality or reception.What are the 4 types of CB Radios? … Read more
By: Jeremy NeisserWhat is SSTV?Slow Scan TV, or SSTV, is a term used to describe the transmission of pictures by amateur radio. It’s comparable to early television systems or fax machines. In as few words as possible, this technique uses sound to generate and exhibit an image sent by another source. It’s primarily utilized by amateur … Read more
By: Jeremy Neisser Are you looking for a CB Radio shop near you? If so, it can be difficult to find the right place. With so many options available, it’s hard to know where to start and what type of store will best suit your needs. To help make this process easier, here are some tips … Read more
By: Jeremy NeisserThere is a tendency for people to group all Frequency Modulated (FM) radio into one category. However, there is a noticeable difference between UHF – Ultra High Frequency and VHF – Very High Frequency. It’s not just the number that changes, it’s also their intended purposes. The key difference between the two is that UHF … Read more
By: Jeremy NeisserWhat is ITU Phonetic Alphabet?What is the purpose of ITU Phonetic Alphabet? Who created it? Why do we use the ITU Phonetic Alphabet nowadays? The History of the Phoenetic AlphabetITU phonetic alphabet first appeared in 1913 as a set of six audio frequencies, however, the pronunciation was only based on the English language. In 1955 first … Read more