This makes it easier to store radios on belts or under jackets. Fitting them with a longer antenna can boost range for building structures that have heavy concrete or denser building materials. Choosing the correct two-way radio frequency is essential to clear communication on your job-site.
Knowing your environment will help determine which two-way radios your workforce needs for smooth operation. Our team can help you decide which two-way radios are best for your business. Here are three questions to ask yourself first:. In order for your two-way radios to operate effectively, you must stay within the same frequency band. If you are currently using UHF two-way radios in Philadelphia and want to add more to your fleet, purchasing new UHF two-way radios is essential.
Our Philadelphia UHF two-way dealers can help you determine what two-way radios will operate on your dedicated frequency. Even different digital brands can be incompatible with each other.
Lower frequency means longer wavelength. VHF radios are suited for long distances in and outdoor use. UHF radios operate at a higher frequency. It is important to remember to everyone that UHF transmissions are not private communication and anyone within range will hear your conversation so some simple etiquette is important. There are a lot of channels available for general use so if you find that your transmissions are possibly interfering with a group using that channel for work purposes then it is simpler to just change channels and carry on.
Below is a list of the general use channels we can utilise. Prior to , there were only 40 channels allocated for use but UHF operators now have access to 80 channel radios, although not all of those channels should be used for general chat. Under normal conditions, you can expect a good signal over a distance of 5 to 8km; in a high position such as a hill , this can be increased to up to 25km.
Channel 5 and are the designated emergency channels and are not to be used except in an emergency. Channel 22 and 23 : are only to be used for telemetry and telecommand, packet data and voice transmission are not allowed. Channel 61, 62 and are reserved for future allocation and transmission on these channels is not allowed.
Channels 9, , , 30, 39, , , 79 and General chat channels, simplex use. Channel Call Channel used for locating friends — a general meeting point for when communications are lost or beginning, before moving to another channel. Channel Australia Wide road safety channel used primarily by truckies and oversized load pilot vehicles.
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