LELAS VoIP Intercom Explosion Proof NHA214HBM: Designed for exceptional performance and durability in the most demanding environments, this robust intercom system is ideal for hazardous areas where reliable communication is critical.

This intercom features voice and media middleware for seamless communication, a certified SIP signaling stack to support advanced telephony features, and a telephony application that is feature-rich with hotline, intercom, and push-to-call modes. It supports multiple protocols, including SIP, RTP, RTCP, STUN, and NTP, and offers both stand-alone P2P and proxy infrastructure modes with SIP failover server support. The analog audio subsystem includes an Acoustic Echo Canceller (AEC) and various codecs such as G.711a, G.711u, G.736-32, G721-RFC3551, iLBC, and G.722. It also detects and generates Dual-Tone Multi-Frequency (DTMF) signals, provides clear call progress tones, and includes a complete web interface for configuration with login authentication.

The VoIP Explosion-Proof IP66 Hands-Free Intercom (NHA214HBM) is the perfect solution for secure, reliable communication in hazardous environments, combining advanced VoIP features with robust construction to withstand the toughest conditions.

Key Features:

• Hands-Free Operation: Allows for easy and efficient communication without the need for a handset.
• Wall Mounting: Convenient installation with a single call button, ensuring quick access.
• Explosion-Proof Marking: Certified for use in gas and dust environments with specific markings II2G (gas) and Ex II2GD (dust).
• Durable Construction: Built from cast aluminum with a weather-resistant RAL2003 coating, ensuring long-lasting performance.

Electrical Characteristics:

• Power Supply: Direct current supply via Power over Ethernet (PoE).
• Conversation Mode: Hands-free operation for ease of use.
• Explosion Proof Marking:
  • Specific Marking: II2G (gas) or Ex II2GD (dust).
  • Additional Marking: Ex dIIBT6Gb / II2G, Ex tb IIIC / T°85C Db.

Material and Design:

• Microphone: Vandal-resistant and weatherproof type.
• Loudspeaker: Weatherproof type with 15W output.
• Mounting: Wall-mounted with three points for secure installation.
• Dimensions: 210 x 320 x 190 mm.
• Weight: 8.6 kg.
• IP Rating: IP66, providing high protection against dust and water.
• Temperature Range: Operates in extreme temperatures from -40°C to +60°C.
• Cable Type: Uses Cat5e network cable for reliable connectivity.