There are in fact a number of UHF radio systems you could consider. To acquire an understanding of which options consistently perform well, check out the opinions and reviews found on 4wd forums. You should quickly be able to discover which option would be best for your needs. It would be preferable to opt for a model that has a long warranty, as you would not want to have the hassle of buying a replacement if it becomes unusable quickly. For the widest range of options, it would be useful to check out a selection of online retailers as they can usually offer UHF radios far below the cost that they retail for in a 4wd accessories showroom or camping store.
It is important that before you head out on any expedition, you familiarize yourself with the correct usage of the UHF radio. Beware that there are fines that can be levied if they are used wrongly. Understand that there are forty channels available on the radios, each of which has been dedicated for a different use. For example, channel five is reserved for emergency situations, whereas channel 9 can be used for general conversations. We should never overlook the value of UHF radios when travelling long distances in remote areas. In fact, you should consider them an essential item to carry with you whenever you head off in your 4wd.