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Which channel width is the maximum that can be obtained by bonding two 802.11ac subchannels according to US regulations?
Correct Answer: A
Explanation/Reference: Explanation: To increase throughput, 802.11ac introduces two new channel widths. All 802.11ac devices are required to support 80 MHz channels, which doubles the size of the spectral channel over 802.11n. It further adds a 160 MHz channel option for even higher speeds. Due to the limitations of finding contiguous 160 MHz spectrum, the standard allows for a 160 MHz channel to be either a single contiguous block or two noncontiguous 80 MHz channels. References:
