Oppo’s MeshTalk lets you call and chat without Wi-Fi or cellular networks - The Verge

Oppo has announced a new proprietary communications technology designed to let people call or chat across medium distances without using cellular networks, Wi-Fi, or Bluetooth. The protocol is called MeshTalk and is a decentralized, end-to-end system that Oppo says can cover up to 3 kilometers (1.86 miles) outdoors — or even further in more crowded environments when signal relay between devices can be used.

Basically, Oppo devices will be able to create ad hoc local area networks across a wide area and communicate directly to each other without the need for base stations. The company claims that MeshTalk doesn’t have a significant effect on battery life, and indeed plans for it to work with a 72-hour standby mode so that phones can still be reached in an emergency when they’re low on power.

Oppo envisages MeshTalk being used in situations where you don’t have internet access or when traditional networks are too congested, such as at a concert or after landing at a foreign airport. It’s not clear whether it’ll work with existing Oppo phones, or when Oppo plans to launch the feature, but it’s being demonstrated this week at MWC Shanghai.

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