USHR1900 SOHO Repeater System for T-Mobile SUPPORTS ALL WIRELESS HANDSETS AND MOBILE DEVICES OPERATING IN THE 1900MHZ "PCS" BAND. SYSTEM COVERS UPS 3,000 SQ. FEET AND SUPPORTS UP TO 10 SIMULTANEOUS CALLS. Improves standard PCS, GSM, CDMA voice signals and improves download/upload speeds for EVDO, HSDPA, UMTS, and EDGE Broadband Data service. 3G Data Support: 1XRTT, GPRS, EDGE, EVDO, HSDPA for quick file download Auto Level Control (ALC) and Auto Gain Control (AGC), Plug and Play operation, Easy D.I.Y. Installation, and Maintenance free. Comply with FCC, CE, RoHS rules and regulations.