Super Purchasing for Analog Door Phone - 280D-A5 Linux SIP2.0 Outdoor Panel – DNAKE

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abide by the contract", conforms to the market requirement, joins during the market competition by its superior quality also as provides extra comprehensive and exceptional service for consumers to let them turn into significant winner. The pursue of the business, is definitely the clients' gratification for Voip Intercom , 2-Wire Intercom System , Analog Door Phone , We always regard the technology and customers as the uppermost. We always work hard to create great values for our customers and offer our customers better products & services.

Super Purchasing for Analog Door Phone - 280D-A5 Linux SIP2.0 Outdoor Panel – DNAKE Detail:

1. SIP-based door station supports communication with SIP phone or softphone, etc.
2. Video door phone can connect with elevator control system via RS485 interface.
3. IC or ID card identification is available for access control, supporting 100,000 users.
4. The button and nameplate can be flexibly configured as needed.
5. Two relay outputs can be connected to two locks.
6. It can be powered by PoE or external power source.

Physical Property
System	Linux
CPU	1GHz，ARM Cortex-A7
SDRAM	64M DDR2
Flash	128MB
Power	DC12V/POE
Standby power	1.5W
Rated Power	9W
RFID Card Reader	IC/ID(Optional) Card, 20,000 pcs
Mechanical Button	12 Residents+1 Concierge
Temperature	-40℃ - +70℃
Humidity	20%-93%
IP Class	IP55
Audio & Video
Audio Codec	G.711
Video Codec	H.264
Camera	CMOS 2M pixel
Video Resolution	1280×720p
LED Night Vision	Yes
Network
Ethernet	10M/100Mbps, RJ-45
Protocol	TCP/IP, SIP
Interface
Unlock circuit	Yes(maximum 3.5A current)
Exit Button	Yes
RS485	Yes
Door Magnetic	Yes

Datasheet 280D-A5.pdf

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Datasheet 904M-S3.pdf

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The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.