However, Zello could still be used if the person has access to the internet through Wi-Fi at a home or business that is provided by an underground, fiber optic cable, which typically can endure extreme weather events. So if someone loses cell service amid a natural disaster, they'll likely also lose cell tower-based internet service. 6, 2017, Facebook post, and reiterated again on its official Twitter account in 2018. "Zello requires internet using either Wi-Fi or cellular data network of at least 2G," the company said in a Sept. The channel feature makes Zello somewhat like a handheld walkie-talkie, which converts a user's voice into radio signals transmitted over a shared radio frequency band, also called a channel.īut unlike a walkie-talkie that relies on radio waves picked up and transmitted by an antenna, Zello requires the signal-carrying power of nearby cellular towers, or the internet, to transmit audio or any information.
Zello's channels can also be used to instantly send voice messages, photos and live updates on the event being followed. Once a channel is joined, live audio transmissions from any member of the channel can be heard together, much like with a police scanner. The app operates by allowing users to join existing channels or create their own.
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