多主机多从机通信
时间：12-22
整理：3721RD
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当两个BLE主机和多个BLE从机，在同一时间，相同空间里通信时，是否会发生同频干扰，能否同时通信？谢谢！
It highly dependent on test conditions.
BLE use 37 hopping channels (for data) on 2.4GHz to overcome interference as well as coexisitance.