shenzhen 3an technologies Co., Ltd. is a high-tech entrprise  that professionally produces, R&D, marketing and after-sale service. and we provide the infrastructure and solutions to customers to enhance and extend the wireless communications products in china.
we can produce indoor amplifier of CDMA,IDEM, GSM,DCS, PCS and WCDMA. our producs were sole to in and out of china, and it enjoys a good reputation in this line. we will persist to develofing, improvement product quality and the perfect after-sales service to customers.