【Wired two-way intercom】Deshun intercom system DS-236 is a wired two-way intercom, saying goodbye to redundant microphone, using built-in microphone design, as long as the host and extension are ...
Contacta, the Florida-based, assistive listening specialist, has launched the first window intercom system with a Level 8 UL752 approval. Designed for installation in high level security windows, the ...
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