SIMCom Wireless Solutions Co., Ltd. (SIMCom Wireless Solutions Co., Ltd.) is the world's leading supplier of M2M modules and solutions. Since its establishment in 2002, SIMCom has been committed to providing GSM/GPRS/EDGE, WCDMA/HSPA/HSPA+, CDMA 1xRTT/EV-DO, FDD/TDD-LTE, eMTC (CAT-M1), NB-IoT wireless cellular Module or terminal level solutions for communication and various technology platforms such as GPS/GLONASS/BEIDOU satellite positioning. After more than ten years of hard work in the field of wireless communications, SIMCom has always adhered to the commitment of "market-oriented, talent-based, innovation-driven, and quality-based" and has continuously exported cost-effective products to the world. Wireless modules or communication terminal products. 80% of the company's current employees are experienced engineers and have more than 1,500 wireless technology patents. Years of wireless technology accumulation have enabled SIMCom's products to attract widespread attention from communications industry players around the world, and have obtained certifications including CE, FCC , GCF, PTCRB, and more than 100 certifications, as well as certifications from more than 30 communication operators.