Group 1 - The State Intellectual Property Office of China has granted a patent to Broadcasting and Measurement Testing Group Co., Ltd. for a method, device, and storage medium based on deep learning for decoupling closely spaced antennas, with the authorization announcement number CN119808528B and an application date of December 2024 [1] - Broadcasting and Measurement Testing Group Co., Ltd. was established in 2002 in Guangzhou, focusing on professional technical services, with a registered capital of 5,832.45846 million RMB. The company has invested in 29 enterprises, participated in 5,000 bidding projects, holds 119 trademark records, and has 575 patents, along with 326 administrative licenses [1] - Broadcasting and Measurement Testing (Shenzhen) Co., Ltd., established in 1999 in Shenzhen, also focuses on professional technical services, with a registered capital of 100 million RMB. The company has invested in 1 enterprise, participated in 77 bidding projects, holds 50 patents, and has 16 administrative licenses [1] Group 2 - Broadcasting and Measurement Testing (Wuhan) Co., Ltd., established in 2014 in Wuhan, focuses on professional technical services with a registered capital of 270 million RMB. The company has participated in 172 bidding projects, holds 62 patents, and has 9 administrative licenses [2] - Fangyuan Broadcasting Inspection and Testing Co., Ltd., established in 2015 in Guangzhou, also focuses on professional technical services with a registered capital of 50 million RMB. The company has participated in 91 bidding projects, holds 2 trademark records, 34 patents, and has 6 administrative licenses [2]