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Doorbell Intercom System Wired –
 290A IP-2Wire Isolator – DNAKE Featured Image
Doorbell Intercom System Wired –
 290A IP-2Wire Isolator – DNAKE Featured Image

Doorbell Intercom System Wired – 290A IP-2Wire Isolator – DNAKE

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Our target is to consolidate and improve the quality and service of existing products, meanwhile constantly develop new products to meet different customers' demands for Home Communication System , Nurse Call Master Station , Wired Doorbell Intercom System , Because we stay in this line about 10 years. We got best suppliers support on quality and price. And we had weed out suppliers with poor quality. Now many OEM factories cooperated with us too.
Doorbell Intercom System Wired – 290A IP-2Wire Isolator – DNAKE Detail:

1.There is no need to replace the existing wiring or cables. It can connect to 290 IP device with two-wire cables, even in an analog environment.
2.There are two Ethernet ports for Internet input and system expansion.
3.It can connect and supply power to max. 8 indoor monitors or any IP device by working with  Slave Converter over two-wire cable.

Physical Property
Size 197x114x38mm
Power DC 48V ±10%
Rated Power 4W
Power Adapter 48VDC / 1.25A,60W
Temperature -40℃ ~ +70℃
Humidity 20% ~ 93%
IP Class IP30
Interface DC socket (Input 48VDC)*1 RJ45*2
2-core interface(Main In)*1 2-core interface(Main Out)*1
2-core interface(connect to indoor monitor)*8
LED Indicators Link:green light flashes-Network connection status;
Act: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 Cat 5e, Cat 6 or better


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All we do is usually connected with our tenet " Customer to start with, Rely on initial, devoting on the food packaging and environmental protection for Doorbell Intercom System Wired – 290A IP-2Wire Isolator – DNAKE, The product will supply to all over the world, such as: United Arab Emirates , Austria , Australia , Our company insists on the purpose of "takes service priority for standard, quality guarantee for the brand, do business in good faith, to provide professional, rapid, accurate and timely service for you". We welcome old and new customers to negotiate with us. We will serve you with all sincerity!
  • Datasheet 904M-S3.pdf
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This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
5 Stars By Federico Michael Di Marco from Sri Lanka - 2018.12.11 14:13
The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
5 Stars By Katherine from Gambia - 2017.08.28 16:02

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