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Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
Windows 8 and later [41] (Windows 7 and earlier requires drivers from Bluetooth radio manufacturer supporting BLE stack as it has no built-in generic BLE drivers. [42]) Android 4.3 and later. [43] Android 6 or later requires location permission to connect to BLE. BlackBerry OS 10 [44] Linux 3.4 and later through BlueZ 5.0 [45] Unison OS 5.2 [46 ...