Some specs:
- HSDPA: High Speed Downlink Packet Access
- Part of GSM/UMTS migration
- Software upgrade (!)
- Enhances spectrum efficiency and capacity
- Delays decrease, allowing for better voice quality
- Theoretical max through put: 14 Mbps; average: 2-3 Mbps
- Demonstration Jan '05, trials 05Q2, commercial launch 05Q4
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