The 802.11b (WiFi) standard is commonly used for wireless networking. Bluetooth is not a competitor with 802.11b, but rather a complement to it. While 802.11b is generally a replacement for wired local area networking, Bluetooth is more commonly used as a replacement for cables between individual devices. Bluetooth is designed to link devices within a very short range (up to 33 feet ). Bluetooth is part of the 802.15 standard.

• Is it possible to connect multiple Bluetooth hubs?
• List some Technology characteristic of Bluetooth?
• Which method is primarily used for Voice transfer?
• What is the strength of the signal transmitted by powerful cell phones?
• What are the other (competing or not) wireless technologies?

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