What are the other (competing or not) wireless technologies?
[
]
Wi-Fi, IrDa, EDGE, UWB (Ultra Wide Band)
Choose your rating:
Post Ans. View More Ans.
What is the strength of the signal transmitted by powerful cell phones?
[
]
The powerful cell phones can transmit a signal of 3 watts.
Choose your rating:
Post Ans. View More Ans.
Which method is primarily used for Voice transfer?
[
]
Synchronous Connection Oriented (SCO) is a method primarily used for Voice transfer.
Choose your rating:
Post Ans. View More Ans.
Which Bluetooth version uses adaptive frequency hopping? Why?
[
]
In Version 1.2 Adaptive frequency hopping method is used, which improves resistance to radio interference, and provides higher transmission speed.
Choose your rating:
Post Ans. View More Ans.
How many SCO links are there in a piconet?
[
]
In a piconet, there can be up to three SCO links of 64,000 bits per second each.
Choose your rating:
Post Ans. View More Ans.
Which technology is used in Bluetooth for avoiding interference?
[
]
Frequency hopping is the technology used in Bluetooth.
Choose your rating:
Post Ans. View More Ans.
What is Airport?
[
]
Airport is a wireless communications system, like Bluetooth. It is based on the IEEE 802.11 recommendation. It also uses 2.4 GHz frequency band, but its range is about 45 meters and it boasts a transmission speed of 11 Mbit/second. It is developed by Lucent Technologies.
Choose your rating:
Post Ans. View More Ans.
What is FEC in Bluetooth?
[
]
Forward Error Correction is a method by which Bluetooth increases its noise immunity. FEC is a method that enables a receiver to not only detect, but also correct errors in a transmission.
Choose your rating:
Post Ans. View More Ans.
What is FCC and how does it relate to Bluetooth?
[
]
FCC is Federal Communication Commission, which issues licenses to the stations for specific frequencies. It also decides who is able to use which frequency for what purpose. Since Bluetooth is using unlicensed spectrum, FCC has no direct involvement with Bluetooth
Choose your rating:
Post Ans. View More Ans.
Why is Bluetooth called a cable replacement technology?
[
]
Bluetooth technology allows the creation of Personal Area Networks without cables or wires that are usual in home networks.
Choose your rating:
Post Ans. View More Ans.
