Enable-IT 821 1-Port Ethernet Extender Kit – 100Mbps over 1-pair wiring

SKU: 1534 Category:



The Enable-IT™ 821 Ethernet LAN Extender is the fastest encrypted and Secure Ethernet Extender on the planet bar none!


Designed & Made in the USA with quality and prideful Craftsmanship! 
This American-made EnableIT 821 Ethernet LAN Extender kit uses industry LAN standard RJ-45 (8-pin) connectors to make installing in most any environment very easy. We have engineered most of the technical complexity into automatic line adjustments so the plug and go simplicity on your existing or new wiring is a snap. Ethernet Extension Experts designs and manufactures the 821 Ethernet LAN Extender kit, along with its entire product line, in the USA that makes us more responsive to customer demanding needs. We use the highest quality materials and craftsmanship.

This is trusted Business Reliable Professional Grade Ethernet LAN Extender without the high cost of fiber or unsecure wireless. Why risk your business to lower quality imported equipment? The value of your network communications should be a protected investment.
Beware of Cheap Chinese “so called Business Use” (not even suitable US Home use) gear that is banned in the US due to discovered hidden spyware.

You can leverage existing Telephone wire all the way up to Category rated CAT 7 twisted pair to deploy your extended LAN network vs expensive fiber that is unable to deliver PoE Power and is susceptible to extreme cold and movement damage.

Leverage any 1-pair of existing or new wiring that is contiguous all the way up to 2,500ft (762m) encrypted and secure, effectively saving you thousands in labor, administration, and security. Think fiber is cheap? Have you ever priced or paid for fiber troubleshooting? Think again.

Ethernet LAN Extender coupled with industrial strength components to survive harsh temperature extremes delivers superior value and capabilities no other competitor can touch.


Enable-IT is the seminal creator and inventor of Ethernet Extender and PoE Extender concepts and technology. We are the original trusted source.

The US Federal Govt has banned most all non-US made networking products in their networks – Why risk your business using cheap foreign LAN products?

Try the world’s fastest performing and most cost effective Ethernet Extender and PoE Extender Solutions 

  •  Designed and Made in our USA AS9100D Aerospace Quality Production Facilities.

  •  Includes the Industry leading Limited Lifetime Manufacturer Warranty.


Additional information

Weight 5.00 lbs
Dimensions 18.00 × 12.00 × 7.00 in


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  • The PLANET’s most trusted and deployed brand since 1982.

  • Delivers Ethernet LAN Extender over SEVEN times further than IEEE 802.3 specs.

  • Instant ON – Ideal for Mission Critical LAN Uptime and Recovery.

  • Leverage any 1-pair wiring (CAT rated or Coax) up to (2,500ft) or (762m).

  • Supports up to 9 individual CPE units off the same 1-pair of wire. NO Competitor product can do this.

  • Secure and Encrypted Communications between End-To-End devices.

  • Any CUSTOM options available at time of order.

  • ENABLE-IT USA AS9100D Aerospace Quality Factory Floor Direct Same Day Shipping.

  • Extended Ethernet LAN over 1 pair new or existing Telephone wiring up to Category rated wiring Max distance 3,156ft (962m) from device extension to device extension, encrypted and secure.

  • 1 CO unit can support up to 9 other CPE units on the same 1 pair of wiring.

  • Rapid LAN style installation RJ45 jacks – no programming required.

  • Ruggedized Professional Business Grade mountable casing for harsh environments.

  • LAN Device independence – Transparent to 802.3 Protocols, Applications.
    and MAC / IP addresses.

  • Longest warranty protection included, exceeding any knockoff competitors.


  • 12V-1A DC Country Specific (120-260V AC) Power Adapter 2.5mm DC jack included.


Data Rate

  • 10/100Mbps full-duplex Ethernet Data
  • 200Mbps Interconnect throughput
  • Ethernet LAN Protocol Independent
  • Ethernet LAN MTU 1500
  • IP VLAN passthough



  • Ethernet: (1) LAN RJ-45 Standard 10/100Base-TX autosensing ports
  • Interlink: RJ-45 (1-Pair)



  • Height 1″ (27mm)  Depth 2.1″ (54mm)  Width 4.3″ (110mm)



  • Operational Temperature: -49°F to 168°F (-45°to 76°C)
  • Humidity: 5% to 95%, non-condensing



  • Ruggedized wallmount black Aluminum casing Optimized for heat extraction and isolation without fans.




Model # Description Availability
821 Enable-IT 821 1-Port Ethernet Extender Kit – 100Mbps over 1-pair wiring    General Availability