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
DSP9328 IP Waterproof Hands-free TelephoneJuly 13, 2022viewwe will contact you within 24 hours.
DSPPA Network PA System Enters Guangzhou Metro Control CenterNovember 29, 2016DSPPA 7th generation IP network PA system has been installed in the Guangzhou Metro Operation Center, whichwill be put into use in year 2016.In the past two years, in Haizhu District, around the metro...view
Tips Sharing (II): Common Cables in Weak Current SystemJune 1, 2020Today we are here to share the introduction to common cables in weak current system, and we hope it will do you some good.view


