What is CDMA
Code-Division Multiple Access (CDMA) is a cellular
technology widely used in North America. There are currently
three CDMA
standards: CDMA One, CDMA2000 and W-CDMA. CDMA technology uses
UHF 800Mhz-1.9Ghz frequencies and bandwidth ranges from 115Kbs
to 2Mbps.
What is CDMA One
Also know as IS-95, CDMAOne is a 2nd generation wireless
technology. Supports speeds from 14.4Kbps to 115K bps.
What is CDMA2000
Also known as IS-136, CDMA2000 is a 3rd generation wireless
technology. Supports speeds ranging from 144Kbps to 2Mbps.
What is CDPD
Developed by Nortel Networks, Cellular Digital Packet Data (CDPD)
is an open standard for supporting wireless Internet access
from cellular devices. CDPD also supports Multicast, which
allows content providers to efficiently broadcast information to
many devices at the same time.
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