MAG202FD Explosion-Proof Networked SIP TelephoneNovember 7, 2025The Explosion-Proof Networked SIP Telephone is an intrinsically safe device designed to be explosion-proof, waterproof, and dustproof. Housed in a corrosion-resistant, vandal-proof cast aluminum water...view
DSP9327A Waterproof Sound&Light Alarm Wall-Mounted Telephone +15W SpeakerNovember 3, 2021DSP9327A Waterproof Sound&Light Alarm Wall-Mounted Telephone +15W Speakerview
DSP9328W IP Waterproof Hands-free Telephone with Warning LightJuly 13, 2022viewwe will contact you within 24 hours.
PALM EXPO 2019 held successfully in Beijing, ChinaAugust 15, 2019PALM EXPO 2019 held successfully in Beijing, ChinaChina International Exhibition on Pro Audio, Light, Music & Technology (PALM EXPO) 2019 is held successfully in Beijing, China from August 10 to 1...view
Classification of PA System SchoolAugust 6, 2018PA system school is a kind of low-power FM broadcasting. Many colleges and universities, middle schools and even primary schools have adopted campus FM broadcasting to broadcast English programs or ot...view


