Podcast
Questions and Answers
What impact does the 2.4 GHz frequency have on transmission range and data throughput?
What impact does the 2.4 GHz frequency have on transmission range and data throughput?
Why is the 2.4 GHz frequency more susceptible to interference from devices like cordless phones and microwave ovens?
Why is the 2.4 GHz frequency more susceptible to interference from devices like cordless phones and microwave ovens?
What is the impact of the higher 5 GHz frequency on transmission range and data throughput?
What is the impact of the higher 5 GHz frequency on transmission range and data throughput?
How many available channels does the U.S. have in the 2.4 GHz range for Wi-Fi?
How many available channels does the U.S. have in the 2.4 GHz range for Wi-Fi?
Signup and view all the answers
Why do devices automatically select a channel in the 2.4 GHz range?
Why do devices automatically select a channel in the 2.4 GHz range?
Signup and view all the answers
Why do we not have to manually set channels in the 5 GHz range?
Why do we not have to manually set channels in the 5 GHz range?
Signup and view all the answers
Which organization has defined 14 different 22 MHz communications channels but only allows for the use of the first 11 channels?
Which organization has defined 14 different 22 MHz communications channels but only allows for the use of the first 11 channels?
Signup and view all the answers
How many defined 20 MHz channels are there at 5 GHz for Wi-Fi communications?
How many defined 20 MHz channels are there at 5 GHz for Wi-Fi communications?
Signup and view all the answers
Which standard defines Bluetooth for communication over short distances in a personal area network (PAN)?
Which standard defines Bluetooth for communication over short distances in a personal area network (PAN)?
Signup and view all the answers
Which Wi-Fi specification is used for Wi-Fi communications at a frequency of 5 GHz and has a maximum throughput of 6.5 Gbps?
Which Wi-Fi specification is used for Wi-Fi communications at a frequency of 5 GHz and has a maximum throughput of 6.5 Gbps?
Signup and view all the answers
What type of technology employs directional antennas to send and receive network signals usually from 10 to 20 km?
What type of technology employs directional antennas to send and receive network signals usually from 10 to 20 km?
Signup and view all the answers
What is the term for frequencies whose use is granted by the FCC in the US?
What is the term for frequencies whose use is granted by the FCC in the US?
Signup and view all the answers
What is the range of near-field communication (NFC)?
What is the range of near-field communication (NFC)?
Signup and view all the answers
What is the common use of near-field communication (NFC) today?
What is the common use of near-field communication (NFC) today?
Signup and view all the answers
What does radio-frequency identification (RFID) use to send information from an RFID tag with identifying information?
What does radio-frequency identification (RFID) use to send information from an RFID tag with identifying information?
Signup and view all the answers
