WLAN (wireless LAN) using the WiFi (Wireless Fidelity) IEEE 802.11b/g protocol is becoming standard in PCs and laptop computers, and it is making its way into PDAs and other portable data appliances. At the same time, Bluetooth is arising as a wireless-serial-cable replacement for headsets and microphones in all kinds of mobile-system applications. They are not exactly market competitors, but they share the same frequency band, and, without careful design, that scenario means trouble.
Via [edn.com]
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