Tri-Band CDMA/GSM&DCS&WCDMA In-Line Repeater/ Trunk Amplifier Introductions: The Tri-band CDMA800/GSM900&DCS1800&WCDMA In-Line Repeater/ Trunk Amplifier provides an affordable solution to solve the indoor signal coverage problems in both CDMA800/ GSM900&DCS1800&WCDMA system due to signal fading and attenuation caused by architecture obstacles. And its easy installation and maintenance can help carrier get fast return. Features: Support DCS&WCDMA&CDMA/GSM system; Using the common RF cables to guarantee the even distribution of indoor signals and minimize the construction influence and user investment; Multiple data transmission modes (RS485, PSTN, GSM Modem, etc.), perfect system monitoring functions; Centrally-controlled system monitoring function available; providing one interface for the monitoring of all equipment in the entire distribution system Applications To expand signal coverage or fill signal blind area where signal is weak or unavailable. Indoor: Hotels, exhibition centers, basements, shopping malls, offices, parking lots, etc.