Network repeater BT-5S43B

fiber opticwirelesstransmission

The Tri-band GSM900&DCS1800&WCDMA Digital Fiber Optic Repeater (DFOR) is designed to solve problems of weak mobile signal in the place that is far away from the Base Transceiver Station (BTS) and has fiber optic cable network underground. The system consists of two parts: Main Unit and Remote Unit. The Main unit captures the BTS signal via direct coupler closed to BTS, then converts it into optic signal and transmits the amplified signal to the Remote Unit via fiber optic cable. The Remote unit will reconvert the optic signal into RF signal and provide the signal to the areas where network coverage is inadequate. And the mobile signal is also amplified and retransmitted to the BTS via the opposite direction Features ■ - Aluminum-alloy casing with IP65 protection has high resistance to dust, water and corroding ■ - Omni-directional antenna can be adopted to expand more coverage ■ - Tx/Rx control and alarm messages can be transmitted via one fiber optic cable ■ - Adopting WDM and A/D module to realize long-distance digital signal transmission ■ - Stable and improved signal transmission quality ■ - Noise suppression function and Automatic system delay calibration function ■ - One Donor Unit can support up to 4 links, each link can more Remote Units to maximize utilization of fiber optic cable ■ - USB port provides a link to a notebook for local supervision or to the built-in wireless modem to communicate with the NMS (Network Management System) that can remotely supervise repeater’s working status and download operational parameters to the repeater