Grandstream GDS3705 Product information
IP Audio Door System
GDS3705
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 oer intercom functionality, can support SIP 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 oers alarm-in and alarm-out support for integration with existing
security devices. The GDS3705 integrates with Grandstream’s free 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 phones, GXV video phones, and GS Wave mobile app,
the GDS3705 oers a complete end-to-end solution for access control, audio intercom, and security needs.
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 RFID
chip reader for
keyless entry
Integrated PoE
to power the
device and
provide a network
connection
www.grandstream.com
Supports SIP
calls to IP phones
to facilitate
communication
Built-in dual
microphone and
HD loudspeaker
with advanced AEC
oers intercom
functionality
Network 10M/100M Auto-sensing
PoE 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-law, G.722, DTMF (RFC2833, SIP INFO), AEC, ANS
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)
RFID Number Supported Up to 2,000 recommended
Input 2 Optocoupler Input, Vin < 15V, for door sensor or other low voltage devices
Output
Expansion Interface RS485, Wiegand (26 bits) input and output
Waterproof Certication IP66 (EN60529)
Vandal Resistance IK09 (IEC62262)
Temperature Range -30°C to 60°C
Mounting Wall-Surface, In-Wall
Dimension (HxWxD) and
Weight
Compliance
2 Relay, 125VAC/0.5A or 30VDC/2A, Normal Open or Normal Close, for electric
lock, light switch or other relative high voltage devices
In wall 217mm x 120mm x 11.6mm; On Wall 173mm x 80mm x 36mm
0.635Kg
FCC: Part 15 subpart B;Part15C;MPE
CE: EN55032 Class B; EN61000-3-2; EN61000-3-3; EN50130; EN300 330; EN301
489-1/-3; EN60950-1; EN62311
RCM: AS/NZS CISPR32;AS/NZS4268;AS/NZ60950
IC:ICES-003;RSS310
www.grandstream.com
3.2020.01
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