The Grandstream GSC3506 is a 1-way SIP/Multicast intercom speaker designed for public address and paging applications in environments such as offices, schools, hospitals, and apartments. It offers high-definition audio, robust connectivity, and flexible integration options.
🔊 Audio & Speaker Specifications
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Speaker Output: 30W high-fidelity speaker with HD acoustic chamber
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Frequency Response: 110 Hz to 20 kHz
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Audio Codecs Supported: G.711μ/a, G.722 (wide-band), G.726-32, iLBC, Opus, G.729A/B
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Audio Features: Full-band and wide-band audio codec support including Opus & G.722
🌐 Network & Connectivity
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Ethernet: One 10/100 Mbps network port with Power over Ethernet (PoE/PoE+/PoE++) support
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Ports:
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1x 2-pin switch-in input port
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1x Alarm-in input port
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1x 3-pin differential line out port
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1x DC24V power input
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1x USB port
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Volume up/down keys
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Reset button
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📞 Paging & Communication Features
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Paging Capabilities: Supports SIP paging, multicast paging, group paging, push-to-talk (PTT), and call-waiting with priority override
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Call Management: Built-in whitelist, blacklist, and greylist functionalities to manage and block unwanted calls
🔒 Security Features
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Encryption & Authentication:
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256-bit AES encrypted configuration files
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TLS and SRTP encryption technologies
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MD5 and MD5-sess based authentication
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802.1x media access control
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📐 Physical Specifications
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Dimensions: 257.5 mm (diameter) × 118 mm (depth)
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Weight: Approximately 2.09 kg
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Mounting Options: Ceiling and wall mountable
