By: Nitek
Video Transmission Solutions
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
IP Video 2 Wire Network Extender: Transmitter Unit

The Nitek ET1551U transmitter unit is another component of the NITEK cutting edge EtherStretch™ line. The ET1551U solution allows for the utilization of existing 2 wire UTP cable infrastructure to transmit data from IP cameras and other network devices for distances up to 500 meters or 1600 feet when connected with an ER1551U single channel or ER1651U muli port receiver unit. The ET1551U transmitter requires very little installation time and absolutely no set up or configuration.

The ET1551U, when connected to an ER1551U or ER1651U receiver unit can quickly turn any ordinary Single Twisted Pair wire into a high speed network communication for distances up to 500 meters or 1600 feet. The ET1551U is transparent to the network requiring no IP or MAC addressing. Simply connect your network devices to the network ports of the transmitter and receiver along with existing cabling and the system begins communicating. The receiver ER1551U is capable of providing power for the ET1551U transmitter, without the need for an external power supply.

The ET1551U can also be powered directly to provide 802.3at 25.5 watts to the camera. LED indicators show the status and speed of network communications. NITEK EtherStretch ET1551U transmitter extends network communications to overcome cable distance limitations to devices in locations traditional networking does not allow. The ET1551U is ideal for retrofitting existing installations. The units are constructed of industrial grade RoHS compliant plated aluminum with a corrosion resistant finish making them very durable.


Available Configurations Include:

ET1551UW Outdoor IP Cameras over 2 pr UTP Transmtr w/PoE - up to 1,960 ft (Transmitter in weatherproof case)

ET1551U features include:

  • Transmits up to distances of 500 meters ⁄ 1,600 feet
  • Supports PoE and network communications
  • Supports any network device, including IP cameras
  • Supports mega-pixel technology
  • Supports 10/100 over Twisted Pair cables
  • Fully transparent to the network
  • Ground loop isolation
  • Easy to install, no set up required
  • No MAC or IP addressing required
  • LED indicators for network signals, link status and power
  • Optional power supply can insert POE power for non-POE switches
Size 1.1"H x 1.6"W x 4.6"D (including tabs)
Power Requirements PoE (IEEE 802.3af or at) or PS48 Power Supply
Ethernet Connection [1] Auto Configuring 10 ⁄ 100 RJ45 port
EtherStretch Link Connection [1] RJ45 port
LED Indicators Link Status, Power, PoE Out, 10Mb or 100mb
Shipping Weight 2 lbs.
Mounting Two 3⁄8 inch mounting slots
Operating Temperature -40 to 75 degrees C/-40 to 167 degrees F
Environmental NEMA TS-2


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Prices and specifications subject to change without notice.