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https://www.dsppatech.com/product/dsp9321a-on-wall-intercom-panel.html

Features:
● 2 SIP line,Full-duplex speakerphone
● Intelligent DSS Keys(Speed dial),Wall-mount installation
● 2 embedded short circuit input interfaces
● Output interface for active speaker
● Audio record output interface
● External Power Supply
● All in ONE: Radio and intercom, intelligent security function

This product is a fully digital network intercom equipment, its core part adopts mature VOIP solutions (Broadcom 1190), the performance is stable and reliable; the digital full duplex hands-free, voice loud and clear; the keys feel comfortable, simple installation, appearance, durable, low power consumption.

Specification of intercom panel
Communication protocolSIP 2.0(RFC-3261)
Main chipsetBroadcom
Speech flowProtocolsRTP/SRTP
DecodingG.729、G.723、G.711、G.722、G.726
Audio amplifier2.5W
Volume controlAdjustable
Full duplex speakerphoneSupport (AEC)
PortDSS keyOne or Two (PH2.0 port)
Indicating lampThree (PH2.0 port)
MICOne (XH2.54 port)
SpeakerOne (XH2.54 port)
An external active speakerOne (3.5mm port)
recording outputOne (3.5mm port)
Short circuit inputTwo (3.5mm port)
Short circuit outputTwo (3.5mm port)
WAN port10/100BASE-TX s Auto-MDIX, RJ-45
LAN port10/100BASE-TX s Auto-MDIX, RJ-45
power supply mode9V~16V/1A DC or POE
CablesCAT5 or better
working temperature-40°C to 70°C
working humidity10% - 95%
storage temperature-40°C to 70°C
overall dimension186x113x38.5mm
Package dimensions225x130x47mm
Package weight0.85KG

DSPPA, an audioco, is one of professional public announcement system manufacturers. We provide ceiling speaker amp, amp for ceiling speakers, ceiling sound system, amplifier sound system, amplifier for ceiling speakers, ceiling speakers with amplifier, amplifier for in ceiling speakers, Anti-Epidemic Materials, PA Amplifier and so on. Want to know more? Please contact us.