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(1) (3rd Generation) The third version of a product or system. See iPhone 3G.

(2) (3rd Generation) The previous generation of cellular transmission, which features moderately high speed for Internet access compared to the very sluggish 2G systems. As 4G LTE technology proliferates, carriers maintain their 3G networks for compatibility with millions of cellphones that rely on 3G technology (for the difference between 3G and Wi-Fi, see cellular vs. Wi-Fi).

Several advanced, higher-speed 3G technologies have been officially sanctioned as 4G (see cellular generations). In the U.S., the major 3G technologies are EV-DO for CDMA networks, such as used by Verizon and Sprint, and HSPA for GSM networks for carriers such as AT&T and T-Mobile. See EV-DO, HSPA and 4G.

The Network Makes a Difference
These iPhone speed tests were taken at the same time using AT&T's slower 2G EDGE (E) network and its faster 3G network. Speed is always based on the number of active users in the cell. This test was performed in 2009.
References in periodicals archive ?
com analyzes that once the iPad in the domestic form usage scale, for Chinese users, portable 3G wireless router has greater impacts.
The ConnectPort WAN, an upgradeable 3G Wireless WAN router, has been unveiled by Digi International, a networking devices company.
The support of SIP is a further step in RADVISION's vision of enabling videoconferencing and multimedia collaboration to any user, over any network, using any device, whether IP, ISDN or 3G wireless.
5G and 3G Wireless 2002: Putting the Pieces Together".
Early adopters of this technology are already developing applications for 3G wireless networks.
In ATM-based 3G wireless networks, the architecture of the iNAV 4000 achieves unparalleled levels of price/performance in ATM Adaptation Layer 2 (AAL2) packetized voice, ATM Adaptation Layer 5 (AAL5) and IP protocol processing, providing a seamless bridge between ATM and Ethernet networks.
In cooperation with Handspring and wireless carriers, the 3G Springboard solution will enable TI's OEM customers to quickly develop and market advanced 3G wireless Internet modem products for the Visor's Springboard expansion slot.
AirLink is aggressively launching X Platform products on advanced 3G wireless networks, with commercial shipments of CDMA 2000 EV-DO Revision A and High Speed Downlink Packet Access (HSDPA) solutions commencing in Q1 2007.
5G and 3G wireless applications a reality by providing a unique combination of both performance and power efficiency," said Will Strauss, president of analyst firm Forward Concepts.
A 3G wireless broadband antenna is mounted externally to increase reception quality and bandwidth throughput.
We believe, however, that QCOM's valuation level is now more favorable given continued strength in the 3G wireless market and, therefore, we upgrade our recommendation to Buy.
Sniffer solutions are being used in NTT DoCoMo's test project to engineer and verify the seamless operation of the many IP-based technologies that comprise a 3G Wireless Internet.