mRRU is a high-performance RF drawing unit that is easy to deploy. This series of products meets the needs of multiple frequency band networking, supports TD-LTE and LTE FDD and other standard, frequency band and 4/5G dual-mode concurrency capabilities, and meets the long-term 4/5G evolution and co-construction and sharing needs of operators. The product has a variety of forms, beautiful shapes, high environmental integration, and higher community and single-user throughput. Support multi-cascade function, more suitable for network construction and deployment of dense buildings, comprehensive squares and street scenes.