The Grandstream GDS3702 is a robust HD Audio IP Intercom System designed for secure and efficient facility access control across various environments, including offices, residential complexes, and industrial sites. It combines high-definition audio capabilities with durable construction, ensuring reliable performance in diverse settings.
🔊 Audio & Intercom Features
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HD Audio: Supports two-way HD audio communication with up to 1.5 meters of audio input and 3 meters of audio output range.
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Built-in Components: Equipped with an integrated microphone and 2W HD loudspeaker for clear voice transmission.
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Audio Codecs: Compatible with G.711μ/a and G.722 codecs, featuring Acoustic Echo Cancellation (AEC) and Automatic Noise Control (ANC) for enhanced audio clarity.
🌐 Network & Connectivity
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SIP/VoIP Support: Facilitates SIP calls to IP phones, enabling seamless communication within VoIP networks.
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Power & Networking: Features a 10/100 Mbps Ethernet port with integrated Power over Ethernet (PoE) compliant with IEEE 802.3af Class 3 standards.
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Alternative Power Supply: Supports 12V DC input (1A) for scenarios where PoE is unavailable.
🔐 Access Control & Integration
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Relay Outputs: Includes two relay outputs (125VAC/0.5A or 30VDC/2A) for controlling electric locks, lights, or other devices.
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Alarm Inputs: Provides two optocoupler alarm inputs (Vin <15V) suitable for exit buttons, door sensors, or other low-voltage devices.
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System Integration: Compatible with Grandstream’s GDS Manager software and other IP-based systems for comprehensive access control solutions.
🛡️ Durability & Environmental Resistance
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Weatherproofing: Certified with an IP66 rating, ensuring protection against dust and powerful water jets.
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Vandal Resistance: Achieves IK10 rating, indicating high resistance to mechanical impact.
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Operating Conditions: Functions reliably within a temperature range of -30°C to 60°C and humidity levels from 10% to 90% non-condensing.
📐 Physical Specifications
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Dimensions:
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On-Wall Mounting: 173mm (H) x 80mm (W) x 36mm (D)
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In-Wall Mounting: 217mm (H) x 120mm (W) x 11.6mm (D)
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Weight: Approximately 672 grams
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Mounting Options: Supports both on-wall and in-wall installations (in-wall mounting kit sold separately).
