The low noise receiving unit MRA21270FD is designed for WCDMA /UMTS base station. It provides high gain and low intermodulation output level.
The system is suitable for outdoor mounting nearby the antenna for diversity use. DC and monitoring signals are sent through the RF cable using a bias tee.
The system incorporates a dual balanced amplifier and a monitoring board. A 3-port duplexer filter is built-in for duplex mode operation. Two cases are required when dual cross polarization antenna is used.
The system complies with the MCR's Control and Management System.