ASR1803 is a 4G baseband RF integrated chip based on advanced process, is a highly integrated baseband communication chip which integrates RF and memory.The chip adopts 22nm advanced process; with the integrated ARM Cortex-A7 application processor, supports 6-layer 1-order PCB;with 450MHz~2.7G bandwidth;supports RTOS operating system,the chip can be used to support various applications in Linux environment. Meanwhile, the chip can be used to support various applications in Linux environment, providing flexible options for customers to carry out different product development.;with low memory footprint.;providing flexible options for customers to carry out different product development;which accelerates the booting. ASR1803 supports the new dynamic voltage regulation technology, which helps to effectively reduce the operating voltage and power consumption. Also, it supports QSPI NOR/NAND flash, The chip can be widely used in civil and industrial applications, such as POS terminal, POC intercom, data card Dongle, MiFi terminal, and integrated applications of various types of water, electricity, and gas meters.