The GDS3705 was built for users looking for a strong audio-only facility access and security monitoring solution that can be deployed in environments of all sizes. This audio door system features dual microphones and HD loudspeaker with advanced AEC to offer intercom functionality, can support S IP calls to IP phones and has a built-in RFID chip reader and keypad for secured keyless or key entry. The GDS3705 comes equipped with a zinc alloy metal casing, making it weatherproof and vandal resistant and offers alarm-in and alarm-out support for integration with existing security devices. The GDS3705 integrates with Grandstream’s fre e management utility software, GDS Manager, allowing RFID card information, as well as the device itself to be fully managed by this software. Thanks to its integration with other Grandstream endpoints like the GXP IP ph ones, GXV video phones, and GS Wave mobile app, the GDS3705 offers a complete end-to-end solution for access con trol, audio intercom, and security needs.
* Built-in RFID chip reader for keyless entry.
* Supports SIP calls to IP phones to facilitate communication.
* Integrated PoE to power the device and provide a network connection.
* HD audio options with up to 1.5m of audio input and 3m of audio output.
* Built with a metal casing to make it weatherproof and vandal resistant.
* Built-in dual microphone and HD loudspeaker with advanced AEC offers intercom functionality.
* Network 10M/100M Auto-sensing
* PoE IEEE 802.3af Class3
* Supply Voltage 12VDC /1A (AC power adapter not included)
* SIP/VoIP Support Yes, broad interoperability
* Voice Codecs G.711μ/a, G.722
* Audio Input Integrated dual microphones up to 1.5m
* Audio Output HD loudspeaker 2W, up to 3m
* Built-in Key Pad 12+1 Metal keys with Blue LED backlight
* RFID EM4100 (125kHz)
* Input 2 Optocoupler Input, VIN <15V, for Door Switch/Magnetic and Alarm in
* Output 2 Relay, 125VAC/0.5A, 30VDC/2A, for Electric Lock and Alarm out
* Wiegand IN & OUT Wiegand 26
* RS485 RS485 (300m or 1000ft)
* Waterproof Certification IP66 (EN60529)
* Vandal Resistance IK09 (IEC62262)
* Temperature Range -30°C to 60°C
* Mounting Wall-Surface, In-Wall
* Dimension (HxWxD):
– In wall 217 x 120 x 11.6mm
– On Wall 173 x 80 x 36mm
* Weight: 0.635kg