1.General Description The MT7603U is a highly integrated Wi-Fi single chip which supports 300 Mbps PHY rate. It fully complies with IEEE 802.11n and IEEE 802.11 b/g standards， offering feature-rich wireless connectivity at high standards， and delivering reliable， cost-effective throughput from an extended distance. Optimized RF architecture and baseband algorithms provide superb performance and low power consumption. Intelligent MAC design deploys a high efficient DMA engine and hardware data processing accelerators which offloads the host processor. The MT7603U is designed to support standard based features in the areas of security， quality of service and international regulations， giving end users the greatest performance any time and in any circumstance. 1.2. Features 1.2.1 Platform ? Embedded high-performance 32-bit RISC microprocessor ? Highly integrated RF with 55nm CMOS technology ? Integrate high efficiency switching regulator ? Best-in-class active and idle power consumption performance ? Compact 6mm x 6mm QFN48L package ? LTE Coexistence（UART） ? Antenna Detection ? Buffered clock output for co-clock with other SOC chipset ? Integrate EFUSE to eliminate the requirement for external EEPROM ? 13 programmable general purpose Input / Output ? 2 configurable LED pins ? Auto-calibration ? Calibration Free（save MP cost） 1.2.2 Platform ? IEEE 802.11 b/g/n compliant ? 2T2R mode with support of 300Mbps PHY rate ? Greenfield， mixed mode， legacy modes support ? Support MCC（multi channel concurrent） ? Frame aggregation ? WIFI Positioning（802.11v/ TOD） ? BW5/10 narrow band（Rx +2.5dBm）， extending coverage ? WoWLAN via GPIO（client mode）， Support Host Sleep（AP mode） ? Airtime Fairness（QoS） ? Meet ETSI EN 300 328 V1.8.1 test plan（mandatory for EU in 2014/E） ? Integrated LNA， PA， and T/R switch