Walkie-talkies are not designed for communication over longer ranges (for which you'll need something like CB radio or a cellphone). Subject to interference and relatively easy to eavesdrop (moreĮxpensive digital units get around interference, but generally only Most inexpensive walkie-talkies are analog units, so they're Walkie-talkies can also be used as baby-monitor intercoms. Multiple channels (FRS can use up to 22) so you can easily switch to anotherįrequency if other people are also using walkie-talkies nearby. Miles) and have long battery life (20 hours on 3–4 rechargeable orĪlkaline batteries is typical). Over a decent range (typically 5–10 square km or 2–4 square They're extremely convenient, weighing just 100–200g (3.5–7 oz) work Lots of people need to listen and only one needs to talk at once (forĮxample, if you're giving instructions to workers on a camp site). They're also great fun: kids love doing the "over" and Or unavailable (in disasters or emergencies, for example). They're particularly handy in places where cellphone network coverage is poor Outdoors and great for children (or for children who need to stay in touch with parents, for example, on Relatively few parts and features), so they're brilliant for use Walkie-talkies are robust, easy-to-use, and simple (with WhenĬommunication devices work this way, they're described as half-duplex (a single channel allowsĬommunication in only one direction at any one time), as opposed to full-duplex (where youĬan talk and listen at the same time, as on a telephone).Īdvantages and disadvantages of walkie-talkies Pros The same frequency channel is used for both things, You can both talk and listen (send and receive). Music from a radio station, a walkie-talkie is a two-way radio: Unlike a normal radio, which will only pick up broadcast voices or Switches back into listening mode and someone else can talk. Is finished) and releases the push-to-talk button. Talker has finished, he or she says "over" (meaning my bit of talking Loudspeakers use those to reproduce the sound of the talker's voice. The radio waves are converted back into fluctuating electric currents and the Since radio waves are part of the electromagnetic spectrum, they travel at the speed of light (300,000 km/second or 186,000 miles/second), so the waves are picked up almost instantaneously by the other handsets. Prearranged channel (typically at an ultra-high frequency, UHF, of 462–467 MHz in the United States, known as the Family Radio Service (FRS) and 446 MHz in Europe). It, their words are converted into radio waves and beamed out on the Their radio goes quietĪs their loudspeaker switches over to a microphone. Hold the push-to-talk button on their handset. When someone wants to to talk to the others, they That's not tuned into any particular station. Probably hissing with static, a bit like a conventional radio So their microphone/loudspeaker units are working as loudspeakers and Have to tune in to the same frequency band, which is called a channel. You'll find lots of similar apps if you search for "walkie-talkie" in the iTunes Store or Google Play (for Android).Ī group of people who are using walkie-talkies to talk to one another #Push to talk cell phones proBelow) Online Walkie Talkie Pro from NAVA apps for Android. It converts your smartphone (or iPod Touch) into a walkie-talkie that can communicate with others nearby. Above) Walkie Talkie Standard from Indigo Penguin. Which mimic old-style two-way radio using new-style VOIP. Screenshot: Walkie-talkies have entered the 21st century thanks to apps, More sophisticated walkie-talkies (like the Motorola model shown in our photos) contain separate loudspeakers and microphones. Generate sounds), you can use a single device to do both jobsĮssentially by switching the electrical circuit into which it'sĬonnected and reversing the current. Same components (a coil of wire, a magnet, and a paper or plastic cone to pick up or Intercom: because a speaker and a microphone contain essentially the The loudspeaker/microphone works in much the same way as an When you talk into it, and a button that you "push-to-talk" Loudspeaker that often doubles up as a microphone Transmitter/receiver and antenna (for sending and receiving radio waves), a Wirelessly (using radio waves) on a single, sharedįrequency band. #Push to talk cell phones portableWalkie-talkies are handheld, portable radios: they communicate Music broadcasts from radio stations, but it can't transmit. Photo: This is a typical one-way radio: it will receive things like Advantages and disadvantages of walkie-talkies.
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