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Ethernet Extender Solutions

Searching for “How to extend Ethernet beyond 100 meters”?

How to choose the best Ethernet Extender for long distance”

Ethernet Extenders smash past the 100m (328ft) IEEE 802.3 barrier and is ideal for security cameras,
elevators, warehouses and a variety of situations where you need data at distance cost effectively.

Enable-IT’s Ethernet Extender Solutions outperform alternatives as they are secure and hardwired.
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Designed and Made in the USA
with AS9100D Aerospace Quality, Pride and actual craftsmanship.

We use secure encryption built in. – Your data deserves better!

Ethernet Extenders Model Comparison

MODEL OUTPUT PORTS THROUGHPUT MAX DISTANCE MAX WIRE PAIRS PoE MODEL
RJ-45 / RJ-11 821 1 100 Mbps 3,280 ft 1km 1-pair (2 wires) 821P
860X PRO 1 1.2 Gbps 3,280 ft 1 km 2-pair (4 wires) 865X PRO
860XS PRO 2 1.2 Gbps 3,280 ft 1 km 2-pair (4 wires) 865XS PRO
860 PRO 4 340 Mbps / Gigabit LAN 9,000 ft / 1.7 Mi 2.74 km 1-pair (2 wires)
COAX 821C 1 100 Mbps 3,280 ft 1 km 75 Ohm Coax BNC 821CP
860XC PRO 1 1.5 Gbps 3,280 ft 1 km 75 Ohm Coax BNC 865XC PRO
860XSC PRO 4 1.5 Gbps 3,280 ft 1 km 75 Ohm Coax BNC 865XSC PRO
OUTDOOR 821W 1 100 Mbps 3,280 ft 1 km 1-pair (2 wires) 821WP
821WC (coax) 1 100 Mbps 3,280 ft 1 km 75 Ohm Coax BNC 821WCP
YOUR ELECTRICAL TETHER
Custom OEM 1 ~ 4 50 Mbps ~ 100 Mbps 9,000 ft / 1.7 Mi 2.74 km 1-pair (2 wires) Optional
860GV 1 ~ 4 1.2 Gbps 3,280 ft 1 km 1-pair (2 wires)
860GVC Coax 1 ~ 4 1.5 Gbps 3,280 ft 1 km 75 Ohm Coax BNC
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Gigabit Ethernet Extenders

1-Pair wiring Gigabit Ethernet Cable Extender Solutions Up To 9,000ft/ 2.74km.  27 Times Further Than IEEE 802.3 Specifications

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Enable-IT 860XS PRO Dual LAN Gigabit Ethernet Extender Solution
Enable-IT 860XC Gigabit Coax Ethernet Extender Kit

Ethernet Over Coax Extender

Gigabit Ethernet over Coax Solutions. Encrypted and Secure Communications up to 3,000ft / 915m

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Waterproof Outdoor Solutions

IP68 NEMA 6P Waterproof up to 3,000ft / 915m
Ideal for rugged, outdoor or extreme conditions

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Enable-IT-860W
860GVC Coax BNC Adapter Gigabit Ethernet over 850VDC Powerline

Coax DC Powerline Injector for Ethernet

Leverage your existing 24V DC up to 900V DC Power Tether injected with Gigabit Ethernet throughput.

Only Enable-IT builds this unique solution Encrypted and Secure Communications up to 3,000ft / 915m on Coax Tether

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DC Powerline Injector for Ethernet

Leverage your existing 24V DC up to 900V DC Power Tether injected with Gigabit Ethernet throughput.

Only Enable-IT builds this unique solution Encrypted and Secure Communications up to 3,000ft / 915m

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860GV Adapter Gigabit Ethernet over 850VDC Powerline
Enable-IT-OEM-Ethernet-Extender

Custom Extender Solutions

Any Size – Any Shape – Any Power Source Designed and Made in our AS9011D Aerospace Manufacturing
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Utility Ethernet Extenders

Utility grade Ethernet Extenders – Encrypted and Secure Communications up to 2,306ft / 702m

Utility Ethernet Cable Extender ►
821 Ethernet Extender Solution
ENABLE-IT 265LP Lightning Protection Kit

Lightning Protection

Protect your Investment – Complete Solution end to end for your outdoor Ethernet or PoE Extender wiring.

Don’t get caught by surprise lightning storms – The planet’s axis tilt and earth changing flip is accelerating and all previous known weather norms are out the window.

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What Is an Ethernet Extender?

An Ethernet Extender is a hardwired networking device that pushes standard Ethernet signals far beyond the 100-meter (328-foot) distance limit imposed by the IEEE 802.3 standard. Where a conventional Cat5e or Cat6 run must terminate at a switch or patch panel within 100 meters, an Ethernet Extender bridges that gap — reaching distances of up to 4,000 feet (1.2 km) over a single twisted pair, existing telephone wire, or legacy coaxial cable.

The device operates in pairs: a local unit connects to your switch or router; a remote unit at the far end provides one or more standard RJ-45 ports for your endpoint devices. No new fiber runs. No wireless spectrum to manage. No additional licensing. The link is transparent to the network — connected devices see a standard Ethernet port and behave accordingly.

Enable-IT invented the Ethernet Extender concept in 1999 and has refined the technology through more than two decades of real-world deployments across military networks, U.S. Government infrastructure, space exploration platforms (including the International Space Station), and commercial applications across 20+ industries. Every unit is designed and manufactured in the United States to AS9100D Aerospace Quality standards.

How Ethernet Extenders work

Enable-IT Ethernet Extenders use DSL-derived signal encoding — the same family of technology that carries broadband signals over telephone copper — to modulate Ethernet traffic onto a single wire pair. The local and remote units negotiate link parameters automatically on power-up (no manual configuration required), establish a full-duplex session, and pass standard Ethernet frames transparently. From the perspective of connected switches and devices, the extender link behaves like any other Ethernet segment.

Key operating characteristics:

  • Single wire pair operation — Cat3, Cat5, Cat5e, Cat6, or standard telephone cable
  • Plug-and-play auto-negotiation — no IP addressing or configuration required
  • Transparent to VLANs, QoS tags, and jumbo frames
  • Built-in AES encryption on select models — data is protected end-to-end over the copper run

    How Ethernet Extenders work

    The table below summarizes the current Enable-IT Ethernet Extender lineup. All models support standard RJ-45 connections and require no additional software, drivers, or configuration utilities.

    Model

    Ports

    Throughput

    Max Distance

    Wire Pairs

    Best For

    821

    1 RJ-45

    100 Mbps

    3,280 ft (1 km)

    1-pair (2 wires)

    IP cameras, access control, standard LAN

    860X PRO

    1 RJ-45

    1.2 Gbps

    3,280 ft (1 km)

    1-pair (2 wires)

    High-bandwidth video, HD PTZ cameras

    860XS PRO

    4 RJ-45

    1.2 Gbps

    3,280 ft (1 km)

    1-pair (2 wires)

    Multi-device drops at remote locations

    860 PRO

    4 RJ-45

    500 Mbps

    1.83 Miles (2.9 km)

    1-pair (2 wires)

    Multi-port Gigabit at distance

    Wire compatibility at a glance

    • Cat3 telephone wire (standard twisted pair, 2-wire)
    • Cat5, Cat5e, Cat6 Ethernet cable (1-pair or 2-pair configurations)
    • Existing building telephone infrastructure — ideal for older facilities
    • Coaxial cable with appropriate adapter (select models)
    • Up to 4,000 ft (1.2 km) on a single continuous run — no repeaters required

Ethernet Extender vs. Alternatives: Which Solution Is Right for Your Project?

When a network run exceeds 100 meters, engineers and integrators typically evaluate four to five alternative approaches. The comparison below covers the most common options across the factors that matter most in B2B infrastructure decisions: distance, bandwidth, reuse of existing cabling, installation cost, and security posture.

Solution

Max Distance

Bandwidth

Uses Existing Wire

Relative Cost

Security

Ethernet Extender (Enable-IT)

Up to 4,000 ft (1.2 km)

Up to 1.2 Gbps

Yes – Cat, coax, or single pair

Low

Hardwired / Encrypted

Fiber Optic

Up to 40 km

10+ Gbps

No – new fiber required

High (install + media)

High – no RFI

Wireless / Wi-Fi Bridge

Up to ~1,000 ft LOS

Variable (200–1,000 Mbps)

N/A – RF only

Medium

Moderate – RF exposure

MoCA Adapter

Up to 300 ft per node

Up to 2.5 Gbps

Yes – coax only

Medium

Moderate

Media Converter

Varies (fiber required)

1–10 Gbps

No

High

High

When to choose an Ethernet Extender over fiber

Fiber optic cabling offers superior distance and bandwidth — but at a significantly higher total cost of ownership once conduit trenching, fiber splicing, media converters at both ends, and long-term maintenance are factored in. Ethernet Extenders are the preferred choice when:

  • Existing copper or telephone infrastructure is already in place
  • The run is under 4,000 ft and Gigabit bandwidth is sufficient
  • Installation downtime must be minimized (no conduit work, no splicing)
  • Budget is constrained or the project has a short payback requirement
  • The environment is already wired for telephone (hospitals, hotels, older office buildings)

When to choose an Ethernet Extender over wireless

Wireless bridges appear cost-effective until RF interference, line-of-sight obstructions, latency jitter, and security vulnerabilities are accounted for. Hardwired Ethernet Extenders are the correct choice when:

  • The installation is in an RF-dense or interference-prone environment (warehouses, manufacturing floors, hospitals)
  • Consistent latency is required (VoIP, IP video surveillance, elevator control systems)
  • Regulatory compliance or cybersecurity policy prohibits wireless transmission
  • Physical security is a priority — a wired link cannot be intercepted over the air
  • Indoor-to-outdoor runs must cross walls, floors, or elevator shafts

Common Applications for Ethernet Extenders

Enable-IT Ethernet Extenders are deployed across more than 20 industries. The most frequently encountered use cases include:

  • IP Video Surveillance — extending PoE to cameras at building perimeters, parking structures, and remote access points beyond the 100m limit
  • Elevator and Lift Integration — providing reliable data and PoE through elevator trailing cables without wireless interference in metal shafts
  • Hospitality — leveraging existing telephone wiring in guest rooms to deliver Ethernet without rewiring walls
  • Manufacturing and Warehousing — connecting PLCs, barcode scanners, and HMI panels across large factory floors
  • Government and Military — hardwired, encrypted connectivity for secure networks where wireless is prohibited
  • Education — campus-wide connectivity using existing telephone infrastructure in older buildings
  • Smart Parking and Transportation — extending Ethernet to ticketing kiosks, gate controllers, and variable message signs at distance

Frequently Asked Questions — Ethernet Extenders

Q: How far can an Enable-IT Ethernet Extender reach?

Enable-IT Ethernet Extenders support distances up to 4,000 feet (approximately 1.2 kilometers) on a single continuous wire pair, with no intermediate repeaters required. Achievable distance depends on the cable gauge, quality of the existing wire, and any connectors or splices in the run. Enable-IT’s engineering team can assess your specific installation — contact us for a pre-deployment consultation.

Q: What type of cable does an Ethernet Extender use?

Enable-IT Ethernet Extenders operate over a single twisted pair, which means they are compatible with existing Cat3 telephone wire, Cat5, Cat5e, and Cat6 Ethernet cable. This is the primary cost advantage over fiber: in most commercial and institutional buildings, usable copper infrastructure is already installed and can be repurposed without opening walls or running conduit.

Q: Will an Ethernet Extender work with my existing PoE switch?

Yes. The local unit connects to any standard IEEE 802.3 switch port — PoE or non-PoE. If your application requires Power over Ethernet at the remote end (for IP cameras, access control readers, or wireless access points), select a PoE-capable model such as the 821P or 865X PRO. These models pass PoE power over the same wire pair carrying data, eliminating the need for a local power source at the remote device.

Q: Is an Ethernet Extender secure? Can the signal be intercepted?

Enable-IT Ethernet Extenders use a hardwired physical medium, which eliminates the RF interception risk inherent in wireless links. Select models include built-in AES encryption for additional protection of data in transit over the copper run. Because the signal travels over a physical conductor rather than through the air, it cannot be passively intercepted without physical access to the cable — a significant security advantage in government, military, healthcare, and financial deployments.

Q: Do Ethernet Extenders require configuration or special software?

No. Enable-IT Ethernet Extenders are plug-and-play devices. The local and remote units auto-negotiate link parameters on power-up and require no IP addressing, driver installation, or management software. They operate transparently to the network — VLANs, QoS tagging, and jumbo frames pass through without modification. This makes them straightforward for IT staff to deploy and troubleshoot without specialized training.

Not sure which model fits your installation?

Enable-IT’s engineering team has been solving long-distance Ethernet problems since 1999. Call (888) 309-0910 Monday–Friday, 5AM–4PM PST, or use the live chat on this page. We will match you to the right model for your cable type, distance, bandwidth requirement, and power budget — at no charge.