
Stainless Steel Explosion Proof Analog VoIP Industrial Telephone. Explosion-Proof Certification: IECEX Zone 0/1/2/20/21/22, ATEX Group I/II, UL/CSA Division 1 Class I/II/III. Stainless Steel Construction: 8mm thick stainless steel enclosure with IP66 protection grade for harsh environments. Strong Noise Canceling: Optional exclusive technology for clear communication in high-noise industrial settings. High Power Amplifier: Built-in 30W amplifier with 3W buzzer delivering over 90 dB sound pressure. Flexible Power Supply: Supports PoE, Gateway, or External Power Supply for versatile installation. Customization Options: Full customization, minor customization, and design-based customization available. OEM/ODM Service: Supports OEM/ODM/Agent/Distributor models with client logo integration.