November 23, 2005
Wi-Fi phones releasing shortly
Even as there is an increasing excitement regarding phones that will be able to roam between wireless LANs and cellular networks, there are several developers who are concentrating on improving the quality of voice over Wi-Fi.
SpectraLink will soon launch a handset that will support the IEEE 802.11a standard. Currently, the Wi-Fi phones supplied by SpectraLink work on 802.11b and operate on the 2.4GHz radio band. Appliances such as microwaves also operate in the same band. The chances of interference are reduced with 802.11a as the 5 GHz band in which it operates is less crowded.
Symbol Technologies Inc. is working on a PDA/phone, the MC70, which will support 802.11a, b, and g. The instrument is due in the first quarter of 2006 and will be equipped with a quad-band radio. This will enable it to function with GSM networks around the world. The MC70 is an improvement in terms of greater radio support and durability.
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