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HSDPA and UMTS

moe777

Jan 1, 2007, 7:44 PM
i know it is the new 3G upgrade faster than edge, but i have seen both of the above used when refering to the faster data speeds...what is the difference?
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chainsaw

Jan 1, 2007, 8:32 PM
HSDPA

High-Speed Downlink Packet Access

An upgrade for WCDMA / UMTS networks. It doubles network capacity and increases download data speeds five-fold or more.

While the technology is theoretically capable of downlink (download) data rates up to 8-10 Mbit/s (million bits per second), initial deployments and devices will be limited to 1.8 Mbit/s, followed by network upgrades and new devices capable of 3.6 Mbit/s.

HSDPA is standardized by the 3GPP in UMTS
Release 5.


UMTS

Universal Mobile Telecommunications System.

A third generation (3G) mobile communications technology that promises data transmission speeds of up to 2 megabits per second (Mbps), although actual speeds may be significantly lower at fir...
(continues)
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rytr23

Jan 1, 2007, 8:35 PM
Isn't cingy rolling out 7.2 Mbps hsdpa this year? Also.. there is a 14.4 Mpbs (peak) hsdpa network being trialed in Australia early this year.. Nice! 😁
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chainsaw

Jan 1, 2007, 8:36 PM
I don't know. I think I'm going to throw up.
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moe777

Jan 1, 2007, 9:30 PM
chainsaw, i have a CU 500 and it says UMTS on it. that means it is not a real 3G phone? I know the Sync and Balckjack say HSDPA. Am i getting short changed here??? I hope not. i just bought this phone.
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asiatic1982

Jan 1, 2007, 9:57 PM
The CU500 is a HSDPA device, so you're okay 😁
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chainsaw

Jan 2, 2007, 11:42 AM
It has hsdpa but from what I know hspda is capped around 1.6 mbps until they allow software upgrades to allow higher speeds.
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