GENEVA, June 20 -- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD (A-Block, Nanjing University Research Center Shenzhen Branch, No. 6 Yuexing 3rd Road, South Hi-Tech Industrial Park, Nanshan DistrictShenzhen, Guangdong 518057), 瑞声声学科技(深圳)有限公司 (中国广东省深圳市南山区高新区南区粤兴三道6号南京大学深圳产学研大楼A座) filed a patent application (PCT/CN2023/138839) for "RADIO FREQUENCY MODULE PREPARATION METHOD AND RADIO FREQUENCY MODULE" on Dec 14, 2023. Wi...