Phones with built-in walkie-talkie
Built-in walkie-talkie
— built-in radio module that allows you to use your phone as a walkie-talkie — to communicate over relatively short distances without the use of SIM-cards. Of course, for such communication, you will need another walkie-talkie (or a phone with this function).The specific frequencies supported by the built-in radio module should be specified separately; however, all phones with this feature operate on one or more of the standard bands. In fact, this means that they are able to communicate not only with similar phones, but also with classic civil walkie-talkies — if they match the supported bands. The communication range, usually, is quite small; however, a built-in walkie-talkie can be very useful for those in situations where conventional mobile communications are ineffective or unavailable. Typical examples of such situations are being “far from civilization”, in an area of poor network coverage, or traveling abroad, where roaming is expensive.
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