DSP9328W IP Waterproof Hands-free Telephone with Warning LightJuly 13, 2022view
DSP9327 Waterproof Sound Alarm Wall-Mounted TelephoneNovember 3, 2021The Waterproof telephone is suitable for use in environments with special requirements such as subways, light rails, highways, ships, mines, power plants, steel companies, etc, which have special requirements for moisture, fire, explosion, noise, and frost resistance.view
DSP9336 Campus Anti-Bullying Intelligent Early Warning SystemSeptember 4, 2025The campus anti-bullying system supports long-distance audio pickup and automatically triggers an alarm and recording upon detecting specific keyword speech, with both audible and visual alerts. Each ...viewwe will contact you within 24 hours.
DSPPA | 2023 Annual Travel Adventure in GuizhouSeptember 20, 2023Abstract: DSPPA Global Center embarked on an Adventure in Guizhou, exploring Guizhou’s natural beauty and leaving great memories.view
Analysis of the Main Technologies and Applications of IP Network PA SystemMarch 23, 2023What is an IP network PA system?An IP network PA system is a new type of network technology that allows for efficient broadcast communication across multiple networks. It enables large-scale data tran...view
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