TELECOMMUNICATIONS SYSTEMS
COMMUNICATION WIRELESS COMPUTING DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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2.4 GHz
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54 Mbps
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11 Mbps
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5 GHz
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Detailed explanation-1: -Microwave ovens operate by emitting a very high power signal in the 2.4 GHz band.
Detailed explanation-2: -A lot of electronic devices and appliances use the 2.4 GHz frequency, including microwaves, baby monitors, security cameras, and garage door openers. If you have many of these in your home, or if you live in an apartment or condo, that 2.4 GHz band is likely to be congested, which can damage speed and signal quality.
Detailed explanation-3: -WiFi frequency bands are frequency ranges within the wireless spectrum that are designated to carry WiFi: 2.4 GHz and 5 GHz. This article by TechTarget dives a bit deeper regarding what frequency bands are.
Detailed explanation-4: -In the United States, the 2.4 GHz band is broken up into 11 channels (1-11), each 20MHz wide. In the 5 GHz band, we have channels ranging from 36 up to 165, and in the 6 GHz band, we have Wi-Fi channels ranging from 1-233.
Detailed explanation-5: -802.11b. Operates in the 2.4 GHz Industrial, Scientific and Medical (ISM) band (2.4 to 2.4835 GHz) and provides signaling rates of up to 11 Mbps. This is a commonly used frequency.