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At present, the communication distance between the common walkie-talkie and the handset is generally about 3-5 kilometers. In other words, the non-network communication technology of OPPO has met the requirements of the ordinary walkie-talkie.
The distance of 3 kilometers is beyond the coverage of Wi-Fi and Bluetooth. It is speculated that OPPO should use radio technology to realize ultra-long distance communication.
If the non-network communication technology of OPPO is feasible, then OPPO will be developed in the future.Mobile phoneCan be competent for self-driving, short-distance travel fleet communication needs, with a part of the "off-road" attribute.