https://knowtechie.com/hurricane-safety-how-to-use-your-phone-for-disaster-preparation/
3 App No 1: Wi-Fi Talkie FREE: 3.1 range of wi-fi signal: 3.2 features of voice callsWi-Fi Talkie is also well suited for communication within a Wi-Fi network of your home, officeIntercom for Android acts like a simple walkie talkie (two-way radio): No Internet needed. PMR – Walkie Talkie WiFi For PC (Windows 7, 8, 10, XP)… Apps, Communication Apps. PMR – Walkie Talkie WiFi.The application uses Wifi technology. You can connect to other devices by conventional router, Wifi Direct or mobile access point. It doesn’t need Internet connection to work only any Wifi connection. The Best Free Walkie-Talkie Apps For Android And iPhone Why Use A Walkie-Talkie App? Walkie-talkie apps provide you with the convenience and simplicityThus, a walkie-talkie app adds features that make your smartphone even more indispensable.This is due to numerous limitations found in these apps, such as the need for cellular internet connection...
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https://mashable.com/2018/06/05/apple-watch-walkie-talkie/ https://iphone.apkpure.com/walkie-talkie-peertopeer-no-internet-required/com.limwernjie.walkie-talkie https://www.fox4now.com/weather/hurricane/zello-app-does-not-work-without-cell-coverage https://stackoverflow.com/questions/11176988/android-voip-application-without-access-to-internet https://boards.cruisecritic.com/topic/2374084-iphones-as-walkie-talkies-without-needing-internetcell-service/ https://www.youtube.com/watch?v=47myJBgKie0 https://www.infinitebuffer.com/intercom-for-ios/
Walkie Talkie (iOS) – Wern Jie's Website This is a Walkie Talkie app that does not require internet connection. It works as long as you have Wifi & Bluetooth on. It uses peer-to-peer technology to connect you and other devices together effortlessly. You can even leave it running in the background! networking - Walkie Talkie on iOS - Stack Overflow As per this SO question what-is-the-range-of-bluetooth Bluetooth will not make a good choice for a walkie/talkie app as you would have to be in hearing range of the other party in order for it to work. So you will be stuck with wifi and/or the phone company as a transport mechanism for it to be useful. Top 6 Best Walkie Talkie apps for Android and IOS (2019) Unlike other apps that use mobile data, IOA uses Bluetooth and WiFi technology to function as a walkie talkie. Intercom for Android doesn’t require account registration. You don’t have to provide your email address, phone number to use this app. To use IOA, you must pair two devices via Bluetooth or WiFi. walkie talkie voip wifi radio on Google Play Reviews | Stats
https://www.smartwalkie.com/blog/why-walkie-talkie-apps-haven-t-replaced-real-walkie-talkies
