Introduction

As surveillance technology continues to evolve, many businesses face a common challenge:
How to upgrade an existing analog CCTV system to IP without replacing the entire cabling infrastructure?

This is where IP over Coax (EOC – Ethernet Over Coax) comes in.

In this guide, we’ll explain what IP over Coax is, how it works, its key benefits, and when you should use it.

What is IP over Coax?

IP over Coax (Ethernet Over Coax, or EOC) is a technology that allows you to transmit Ethernet (IP data) over traditional coaxial cables.

In simple terms:
👉 It lets you convert existing coax cables into network cables

This means you can:

• Upgrade analog CCTV systems to IP cameras
• Transmit both data and power (PoE) over coax
• Avoid costly and time-consuming rewiring

How Does IP over Coax Work?

An IP over Coax system typically includes two devices:

• Transmitter (TX) – connects to IP camera or network device
• Receiver (RX) – connects to NVR or network switch

These devices convert Ethernet signals into a format that can travel through coaxial cable, then convert them back into Ethernet at the other end.

👉 The result:
A stable network connection over existing coax infrastructure.

Key Features of IP over Coax Technology

1. Long-Distance Transmission

IP over Coax supports much longer distances than standard Ethernet:

• Up to 100Mbps within ~1000ft (300m)
• Up to 10Mbps within ~3000ft (900m)

Ideal for:

• Warehouses
• Factories
• Office buildings
• Elevator systems

2. Power and Data Over One Cable (PoE)

Many EOC solutions support PoE (Power over Ethernet), allowing you to:

• Power IP cameras remotely
• Reduce the need for additional power wiring

👉 One cable = power + data

3. No Rewiring Required

One of the biggest advantages:

👉 Reuse existing coax cables

This eliminates:

• Labor costs
• Wall/ceiling modifications
• System downtime

4. Plug and Play Installation

Most IP over Coax converters require:

• No configuration
• No software setup

Just connect and start transmitting.

IP over Coax vs Ethernet Cabling

👉 Conclusion:

• Use Ethernet for new installations
• Use IP over Coax for upgrades

When Should You Use IP over Coax?

IP over Coax is ideal if you:

✔ Already have coaxial cabling installed
✔ Want to upgrade from analog to IP cameras
✔ Need long-distance transmission
✔ Want to reduce installation costs
✔ Cannot rewire due to building constraints

Common Applications

• Commercial buildings
• Hotels and retail stores
• Industrial facilities
• Elevator surveillance systems
• Residential upgrades

Limitations of IP over Coax

To be realistic (and build trust), it’s important to know:

• Lower bandwidth compared to fiber or Cat6
• Performance depends on cable quality
• Not ideal for ultra-high bandwidth systems

Choosing the Right IP over Coax Solution

When selecting a device, consider:

• Transmission distance
• Bandwidth requirements
• PoE support (IEEE 802.3af/at)
• Build quality (industrial vs consumer)
• Compatibility with your cameras/NVR

Conclusion

IP over Coax is a practical and cost-effective solution for upgrading analog CCTV systems to IP without replacing existing infrastructure.

It bridges the gap between old and new technologies—making modern surveillance more accessible and affordable.

Recommended Solution

If you're planning to upgrade your system, a PoE over Coax (EOC) Converter Kit is the easiest way to get started.

• No rewiring
• Long-distance transmission
• Power + data in one cable
• Plug & play setup

👉 Explore our IP over Coax solutions to upgrade your system quickly and efficiently.