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Factory source Indoor Intercom System –
 290 2-Wire IP System Slave Converter – DNAKE Featured Image
Factory source Indoor Intercom System –
 290 2-Wire IP System Slave Converter – DNAKE Featured Image
Factory source Indoor Intercom System –
 290 2-Wire IP System Slave Converter – DNAKE Featured Image

Factory source Indoor Intercom System – 290 2-Wire IP System Slave Converter – DNAKE

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We continuously execute our spirit of ''Innovation bringing development, Highly-quality ensuring subsistence, Management advertising and marketing gain, Credit history attracting buyers for Tcp/Ip Intercom , Intercom Telephone , Video Door Phone With Wifi , With the eternal goal of "continuous quality improvement, customer satisfaction", we are sure that our product quality is stable and reliable and our products are best-selling at home and abroad.
Factory source Indoor Intercom System – 290 2-Wire IP System Slave Converter – 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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"Control the standard by the details, show the power by quality". Our business has strived to establish a highly efficient and stable team staff and explored an effective good quality regulate course of action for Factory source Indoor Intercom System – 290 2-Wire IP System Slave Converter – DNAKE, The product will supply to all over the world, such as: Greek , British , Swedish , We have been making our products for more than 20 years . Mainly do wholesale , so we have the most competitive price , but highest quality. For the past years , we got very good feedbacks , not only because we provide good products , but also because of our good after-sale service . We are here waiting for you for your inquiry.
  • Datasheet 904M-S3.pdf
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The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
5 Stars By Christian from Jersey - 2017.01.28 19:59
The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!
5 Stars By Jean from India - 2017.03.08 14:45

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