ial- UMTS TDD: ized TD-SCDMA, a 1.885GHz to homegrown version of 1.92GHz or UMTS TDD. 2.01GHz to 2.025GHz (pri- mary), plus 2.3GHz to 2.4GHz (secondary) TD-SCDMA: TBD (China) Table 7-4, on the next page, lists the major 3G standards. The releases and revi- sions are upgrades. Appendix Table 7-4 Releases and Revisions to 3G Cellular Services Downlink Data Rates: From the Uplink Data Rates: From Network to the the Subscriber to the Name of Service and Release Subscriber Network CDMA2000 Releases (1.25MHz Channel Bandwidth) CDMA2000 1X (Release 0) Peak data rate: Peak data rate: 153.6Kbps Doubles voice capacity 153.6Kbps Average data rate: 64Kbps Average data rate: 64Kbps CDMA2000 1xEV-DO (Release 0) Peak data rate: Peak data rate: 384Kbps Data optimized. 2.4Mbps Average data rate: 144Kbps High data rate (HDR). Average data rate: 500Kbps to 1Mbps CDMA450 Same as 1X and Same as 1X and 1xEV-DO. Same features as other CDMA 1xEV-DO Deployed mainly in rural standards but operates in lower areas because of its capability frequencies SO that fewer base sta- to cover large areas. tions are needed. CDMA2000 1xEV-DO (Revision Peak data rate: Peak data rate: 1.8Mbps A) or CDMA2000 DO Rev. A 3.1Mbps Average data rate: 630Kbps Supports low-latency (delay) data Average data rate: per sector (standard) in a single 1.25MHz channel. 1.8Mbps Average data rate: 1.325Mbps per sector WCDMA Releases (5MHz Channel Bandwidth) WCDMA (Release 99) Peak data rate: 2Mbps Peak data rate: 384Kbps Average data rate: Average data rate: 64Kbps 220Kbps WCDMA (Release 4) Peak data rate: 2Mbps Same as WCDMA (Release Enables operators to prioritize data Average data rate: services per customer subscription 384Kbps choices. WCDMA (Releases 5 and 6) Peak data rate: Uplink: 1.4 Mbps 14Mbps HSPD/UPA (high-speed downlink/ uplink packet access) Average data rate: 2Mbps Doubles the uplink speed Mobile and Wi-Fi Networks Table 7-5 802.11 (Wi-Fi) Standards 802.11 Standard Description 802.11ac A proposed Wi-Fi standard designed to provide gigabit speeds on Wi-Fi 