CWNP
CWNA-109 · Question #43
CWNA-109 Question #43: Real Exam Question with Answer & Explanation
The correct answer is D. TVHT. TVHT stands for Television Very High Throughput and it is a PHY defined by the 802.11af amendment. It uses the TV white space (TVWS) spectrum in the VHF and UHF bands between 54 and 790 MHz, which are not in use by broadcast video signals at the time. It can provide long- range a
Question
What 802.11 PHY uses available space in very low frequency ranges that is not in use at the time by broadcast video signals?
Options
- ADMG
- BSIG
- CDSSS
- DTVHT
Explanation
TVHT stands for Television Very High Throughput and it is a PHY defined by the 802.11af amendment. It uses the TV white space (TVWS) spectrum in the VHF and UHF bands between 54 and 790 MHz, which are not in use by broadcast video signals at the time. It can provide long- range and low-power connectivity for WLAN devices.
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