GENEVA, Nov. 17 -- CALTERAH SEMICONDUCTOR TECHNOLOGY (SHANGHAI) CO., LTD. (Room 901, Building E, No. 666 Shengxia Road, China (Shanghai) Pilot Free Trade ZonePudong New Area, Shanghai 201210), 加特兰微电子科技（上海）有限公司 (中国上海市浦东新区中国（上海）自由贸易试验区盛夏路666号E栋901室) filed a patent application (PCT/CN2025/089609) for "WAVEGUIDE ANTENNA, WAVEGUIDE ANTENNA ASSEMBLY, RADIO FREQUENCY APPARATUS, RADAR, AND ELECTRONIC DEVICE" on Apr 17, 2025. With publication no. ...