» Intercom Box –
 290 Slave  – DNAKE Featured Image
» Intercom Box –
 290 Slave  – DNAKE Featured Image
» Intercom Box –
 290 Slave  – DNAKE Featured Image

» Intercom Box – 290 Slave – DNAKE

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Our mission will be to become an innovative supplier of high-tech digital and communication devices by furnishing benefit added structure, world-class manufacturing, and service capabilities for Doorphone Video Intercom , Nurse Call Button , Villa Building Intercom , We warmly welcome business partners from all walks of life, expect to establish friendly and cooperative business contact with you and achieve a win-win goal.
» Intercom Box – 290 Slave – DNAKE Detail:

1. There is no need to replace the existing wiring or cables.  It can connect to 290A isolator or master converter using a two-wire cable.
2. It can connect and supply power to an IP device, such as villa door station with PoE function, over an Ethernet port.
3. One Ethernet port can be used for internet input and PoE power supply.
Physical Property
Size 112x87x25mm
Power DC 48V ±10%
Rated Power 2W
Power Adapter NA
Temperature -40℃ ~ +70℃
Humidity 20% ~ 93%
IP Class IP30
Interface DC socket (Output 12VDC)*1 RJ45*1
2-core interface*1
LED Indicators Power: Red – Power ON 2-Wire: Green – Link ON LAN: Green – Link ON
Transmission Method Access Method: CSMA/CA; Transmission Scheme: Wavelet OFDM; Frequency Bandwidth: 2 MHz to 28 MHz
2-wire RVV 2*0.75, ≤100m
network cable Cat 5e, Cat 6 or better


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To be a result of ours specialty and service consciousness, our company has won a superb reputation between customers all around the environment for » Intercom Box – 290 Slave – DNAKE, The product will supply to all over the world, such as: Hanover , Benin , Slovenia , Profession, Devoting are always fundamental to our mission. We have always been in line with serving customers, creating value management objectives and adhering to the sincerity, dedication, persistent management idea.
  • Datasheet 904M-S3.pdf
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It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
5 Stars By Arthur from Milan - 2018.12.28 15:18
Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
5 Stars By Lydia from Mexico - 2017.09.22 11:32

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