With 40 channels from which to choose, one generally cannot find a clear channel at busy times of the day. The traditional CB radio operates in the 27MHz band of frequencies utilizing AM (Amplitude Modulations) or SSB (Single Side Band) modulated transmissions which is used by long haul truckers to communicate with each other, weigh stations and terminals. There are several Citizens Bands that are used for different purposes. RADIO SERVICESĬB Radio – Known as “CB” or Citizens Band radio, it us used for personal and business use by the general public. It is similar to having a VPN in the computer world. Trunked radio systems provide a higher user satisfaction level than conventional radio systems on shared channels because the user has the illusion of privacy (a virtual private channel) and having a channel to themselves. Trunked – A radio system that utilizes more than one repeater at a specific location and has some automated system that assigns users to different channels so that the user does not typically have to wait for a clear channel unless all the channels are occupied simultaneously. (Only one phone call can be made at a time and anyone else in the house must wait for the other person using the phone to make a call.) When the channel is in use, one must wait for the channel to clear before making a radio transmission to avoid interfering with the co-channel user. Since most radio channels are shared, it operates like an old party line phone or a current home phone with multiple extensions. To listen, one must release the PTT button.Ĭonventional – A radio system that operates in a conventional mode which has a radio user typically use one radio channel or frequency. When you press the PTT button, the radio ceases listening and begins transmitting a signal. PTT – Push-To-Talk which is typical of most mobile radio systems. Each cellular carrier decided which technology to implement on which frequency. 5G can be implemented in any frequency band used by the cellular carriers, just as 4G or 3G. ![]() The tendency is to consider the generation indicative of the frequency that is being used by the smart phone, but the frequency is independent of the service level being offered. ![]() The higher generation is more sophisticated and will provide a faster data connection. Two-way radios, cell phones, broadcast stations and Wi-Fi access nodes are all examples of radio.ġG, 2G, 3G, 4G, 5G – Refers to the “generation” of equipment that is being used by the cellular provider. The receiver selects same frequency and demodulates the information back to it’s original form. A Radio Frequency (RF) signal carrier is modulated by some means and transmitted. Radio - A device for the reception or transmission of voice, data, or other information by wireless means. ![]() In order to understand our talking points or items contained herein on the website, we have provided this glossary of terms to assist you to understand what is being said. In the radio business, we tend to use certain terms on a regular basis, otherwise known as the industry jargon.
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