It supports dual mode TD-SCDMA/EDGE  and allows seamless transitions b/w the two networks.  HSDPA speed capable of reaching 2.8Mbps for downlink transmission and 384kbps for uplink transmission.ZTE’s U990 also has a full touch-screen and is equipped with both GPS/AGPS navigation technologies.

some of its specifications are:
-High-speed transmission rate of up to 2.8Mbps
-Fastest transmission speed among the TD-SCDMA terminals
-Supports dual mode TD-SCDMA/EDGE, allowing seamless transition between the two networks.
- Its HSDPA speed is capable of reaching 2.8Mbps for downlink transmission and 384kbps for uplink transmission
-Ensures high-speed HSDPA service under TD-SCDMA network
-Runs on Windows Mobile 6.0 operating system
-Advanced touch-screen technology
-Equipped with both GPS/AGPS navigation technologies
-Enhanced Data rates for Global Evolution (EDGE) features
etc


The mobile is launched officially on 30th sept in china and soon to come in indian market but no official announcement for it to come in india..

hay hi kammy ,its nice to see ur feedback ,well TD-SCDMA is a service provider technology and its used in similar way as CDMA in india,its currently being used in china on larger scale,EDGE -stands 4 enhanched data rates for global evolution and used for grater data transfer rates in multimedia mobiles and HSDPA is also technogogy used for high data tranfer for net and world wide web.