Just move the antenna and the walkie-talkie antenna close together, and then press and hold the ptt key of the walkie-talkie to measure the frequency.

QYT Electronics Co., Ltd.(QYT) was one of the earliest professional two-way radio and accessories manufacturers in China, and now one of the top mobile radio providers as well. QYT is headquartered in Quanzhou, Fujian, China. We are mainly responsible for the company's related product hardware development, production, sales and engineering services. Our company also provides customized services as well as personalized, differentiated products (OEM/ODM).