DSP9328S IP Waterproof Hands-free Telephone with LoudspeakerJuly 13, 2022view
DSP9327W IP Waterproof Sound&Light Alarm Wall-Mounted TelephoneNovember 3, 2021The phone support external loudspeaker and police lights,view
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.viewwe will contact you within 24 hours.
DSPPA | Debut at ISLE 2025: Exploring New AV HorizonsMarch 11, 2025Abstract: DSPPA made a strong debut at ISLE 2025, presenting innovative audiovisual solutions to a global audience.view
DSPPA | Unveil Tech Trends @ EJ2-01, Beijing InfoComm China 2024April 2, 2024Abstract: We cordially invite you to attend Beijing InfoComm China from 17-19 April at the China National Convention Center.view
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