Multi port fusion antenna supporting frequency bands (800MHz, 900MHz, 1.8GHz, 2.1GHz, and 3.5GHz), supporting mid low frequency FDD independent electrical tuning and 3.5G NR 8-channel intelligent shaping. Using array fusion technology, supporting deployment of multiple systems simultaneously at various network frequencies within the range of 800-3600MHz; Supports multiple source modes such as FDD 4T4R, NR 8T8R, etc; The NR smart antenna has amplitude and phase calibration and beamforming functions. Can support 3.5G simultaneous integration and release of existing mid to low frequency sky resources. Suitable for 4G/5G collaborative coverage scenarios. Suitable for newly established key business areas and hot complaint areas.