The window intercom adopts a special external intercom speaker microphone, which is equipped with a power amplifier and an external speaker in the entire window intercom system to realize the broadcast function.
In order to ensure the successful operation of the Sydney Metro, the Sydney Metro Engineering Bureau invited our company's advanced projects to assist in the commissioning of the subway passenger emergency intercom system.
KNTECH will participate in the 17th China Public Security EXPO from October 28 to 31, Beijing time. China International Public Safety Expo is one of the high-end brand exhibitions in China's security industry and one of the most important international security exhibitions with global influence. The exhibition will attract more than a thousand security companies from all over the world.