DSP9328W IP Waterproof Hands-free Telephone with Warning LightJuly 13, 2022view
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
MAG201FD Explosion-Proof Networked SIP TelephoneNovember 10, 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...viewwe will contact you within 24 hours.
Brief Introduction of Mini USB AmplifierAugust 6, 2018In essence, it is the external sound card of the USB interface such as mini USB amplifier, which has increased functions like power amplification and adjustment than the ordinary sound card. USB sound...view
Design and Application of Surface Mount Ceiling SpeakersFebruary 4, 20211. Design of surface mount ceiling speakersSurface mount ceiling speakers are no strange to everyone, because they can be found almost everywhere in shopping malls, buildings, meeting places, etc. We ...view
EN
ar
bn
fr
ms
de
th
id
hi
pt
ru
es
