Intercom Telephone Set -
 290AB IP System Isolator – DNAKE Featured Image

Intercom Telephone Set - 290AB IP System Isolator – DNAKE

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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 Door Intercom With Camera , Intercom Entry System , Indoor Intercom , We have been sincerely looking forward to developing very good cooperative relationships with buyers from at home and abroad for creating a vibrant foreseeable future together.
Intercom Telephone Set - 290AB IP System Isolator – DNAKE Detail:

1. There is no need to replace the existing wiring or cables. It can connect to 290 IP device using two-wire cables, even in an analog environment.
2. It can connect and supply power to max. 8 indoor monitors or any IP device by working with Slave Converter over two-wire cable.
3.Comparing to IP-2Wire isolator 290A, the only difference is the lack of Ethernet ports.
Physical Property
Size 197x114x38mm
Power DC 48V ±10%
Rated Power 2W
Power Adapter 48VDC / 1.25A,60W
Temperature -40℃ ~ +70℃
Humidity 20% ~ 93%
IP Class IP30
Interface DC socket (Input 48VDC)*1 2-core interface(Main In)*1
2-core interface(Main Out)*1
2-core interface(connect to indoor monitor)*8
LED Indicators red light always on-2WIRE connection status
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 NA


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To create much more benefit for consumers is our company philosophy; customer growing is our working chase for Intercom Telephone Set - 290AB IP System Isolator – DNAKE, The product will supply to all over the world, such as: Pakistan , Swaziland , South Africa , Upon today, we've customers from all over the world, including USA, Russia, Spain, Italy, Singapore, Malaysia, Thailand, Poland, Iran and Iraq. The mission of our company is to provide the highest quality products with best price. We've been looking forward to doing business with you.
  • Datasheet 904M-S3.pdf
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This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
5 Stars By Alex from Algeria - 2018.05.15 10:52
The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
5 Stars By Philipppa from Moscow - 2018.10.31 10:02

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