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Grandstream GDS3705 IP Door Phone
Key Features
Brand: Grandstream
HD audio options with up to 1.5m of audio input and 3m of audio output
Built-in RFID chip reader for keyless entry
Supports SIP calls to IP phones to facilitate communication
Built with a metal casing to make it weatherproof and vandal resistant
Integrated PoE to power the device and provide a network connection
Built-in dual microphone and HD loudspeaker with advanced AEC offers intercom functionality
1 Year Warranty
Grandstream GDS3705 IP Door Phone
The Grandstream GDS3705 is an audio IP door phone designed for facility access control, building security management, and intercom communication. This surface-mounted or in-wall device functions as a standalone security endpoint. It integrates with existing IP networks, telephone systems, and electric door locks to manage physical entry points without a dedicated security guard desk.
Hardware and Audio Specifications
The physical layout combines a durable exterior casing with an advanced microphone and speaker system. This configuration guarantees operation under harsh weather and clear communication at loud entryways.
Structural Build and Weather Protection
The chassis uses materials designed to withstand physical impacts and environmental exposure.
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- Weather Resistance: Rated at IP66 standards to prevent water intake and dust contamination.
- Vandal Protection: Certified to IK10 impact resistance guidelines for protection against deliberate damage.
- Casing Material: Housed in a zinc alloy metal enclosure with a metal keypad interface.Â
Audio Performance and Voice Capture
The internal acoustics handle high-volume environments to ensure clear two-way communication between visitors and interior staff.
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- Microphone Design: Contains an integrated dual microphone array for directional voice tracking.
- Pickup Range: Supports audio capture distances up to 1.5 meters from the front of the station.
- Loudspeaker Power: Equipped with a built-in 2 Watt speaker providing high output volumes.
- Acoustic Processing: Incorporates advanced echo cancellation and background noise suppression to minimize street sounds.
Access Control and Facility Integration
The device includes integrated readers and input wiring to function as an independent lock manager and credential checker.
RFID and Keypad Entry Options
Users can unlock connected doors using physical keys, proximity cards, or digital pins.
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- Card Reader: Built-in 125 Kilohertz radio-frequency identification chip reader.
- Access Logs: Stores local user credential files to verify access rights when the network connection drops.
- Keypad Control: Features a backlit 12-key numeric pad for pin-code entry and direct extension dialing.
Electronic Lock and Automation Terminals
The rear wiring block connects directly to security relays and auxiliary physical sensors.
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- Relay Outputs: Equipped with 2 optocoupler-isolated relays to trigger electric strikes, magnetic locks, or automatic gate motors.
- Alarm Inputs: Contains 2 alarm input terminals for connecting door status sensors or exit buttons.
- Wiegand Interface: Features Wiegand input and output lines to link the unit into third-party access control panels.Â
Software Integration and Security Protocols
The internal system architecture supports standard communications standards to link entry control directly into the corporate phone system.
Telephony and Management
- SIP Accounts: Supports up to 2 separate Session Initiation Protocol accounts for redundancy or multi-tenant routing.
- SIP Intercom: Allows visitors to place voice calls directly to IP desk phones, smartphones, or softphone applications.
- Management Software: Fully compatible with Grandstream Device Management System and GDS Manager software for remote credential updating.
