Bluetooth Interview Questions and Answers 6

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.

Is it possible to connect multiple Bluetooth hubs?
No, only one hub can be used at a time with a computer. USB or Serial devices can be added.

List some Technology characteristic of Bluetooth?
Omni directional, Adaptive output power to minimize interference, Support Synchronous & asynchronous services, Fast Frequency Hopping to avoid interference, Short data packets to maximize capacity during interface.

Which method is primarily used for Voice transfer?
Synchronous Connection Oriented (SCO) is a method primarily used for Voice transfer.

What is the strength of the signal transmitted by powerful cell phones?
The powerful cell phones can transmit a signal of 3 watts.

What are the other (competing or not) wireless technologies?
Wi-Fi, IrDa, EDGE, UWB (Ultra Wide Band)