http://www.alibaba.com/rss/product_search/amplifier receiver.rss Marketplace of export & import, offers company directory, catalog, trade leads to importer, exporter, manufacturer, wholesaler. en-us alibaba http://www.alibaba.com/product-gs/277384517/PCS1900_Single_Band_RF_Repeater.html RF Repeater is used for mobile communications network. It receives and amplifies forward and reverse Radio Frequency signal. http://www.alibaba.com/product-gs/277378676/GSM_3G_Dual_Band_Adjustment_Repeater.html RF Repeater is used for mobile communications network. It receives and amplifies forward and reverse Radio Frequency signal.