2.4GHz, 5GHz, Wi-Fi 6, 4G, 5G — connectivity specifications can get confusing quickly.

Is 5GHz Wi-Fi the same as the 5G network on your smartphone? Does Wi-Fi 6 mean it operates at 6GHz? And if 5GHz Wi-Fi offers higher speeds, why do so many security cameras still support 2.4GHz?

The short answer: these terms describe different aspects of wireless connectivity.

For security camera brands, buyers, and product teams, understanding what they actually mean can make camera specifications much easier to evaluate.

1. Is 5GHz Wi-Fi the Same as 5G Cellular?

No. Despite the similar names, they refer to two different technologies.

In 5GHz Wi-Fi, GHz (gigahertz) refers to the radio frequency band used for Wi-Fi communication.

In 5G cellular, the “G” stands for generation — specifically, the fifth generation of mobile communication technology.

Here is the distinction at a glance:

So while 4G → 5G represents an evolution in cellular technology, 2.4GHz and 5GHz are two different Wi-Fi frequency bands.

That also means 5GHz Wi-Fi and 5G cellular do not have the same speed simply because they both contain the number “5.”

Their real-world performance depends on entirely different factors, from routers and Wi-Fi standards to cellular coverage and network congestion.

2. If 5GHz Is Faster, Why Do Security Cameras Still Use 2.4GHz?

This is where security camera requirements become particularly relevant.

5GHz Wi-Fi offers significant performance advantages. With more available spectrum and support for wider channels, it can deliver higher data rates and provide more capacity in dense wireless environments.

But 2.4GHz Wi-Fi is not necessarily “slow.”

For example, legacy 802.11g supports a theoretical maximum of 54 Mbps. With Wi-Fi 4 (802.11n), theoretical PHY rates can reach tens or hundreds of Mbps depending on channel width, spatial streams, and device configuration. Cisco's published 802.11n specifications, for example, show rates up to 150 Mbps per spatial stream under certain 40 MHz configurations.

Now compare that with what a security camera actually transmits.

How much bandwidth does a security camera need?

A security camera does not normally transmit uncompressed raw video. Video is encoded using technologies such as H.264 or H.265 before transmission.

The resulting bitrate depends on multiple variables, including:

resolution, frame rate, codec, compression settings, image settings, and the amount of movement and detail in the scene.

A relatively static scene can therefore require substantially less bandwidth than a busy street scene at the same resolution. Axis, for example, notes that increasing resolution or frame rate increases bandwidth requirements, while scene complexity can cause variable-bitrate streams to rise significantly when activity increases.

This is why the theoretical link speed of Wi-Fi and the actual bitrate of a camera stream should not be treated as the same number.

For many residential and light-commercial security cameras, the available bandwidth of a properly configured 2.4GHz connection can comfortably accommodate the compressed video stream.

And 2.4GHz offers another important advantage: range.

Lower-frequency 2.4GHz signals generally provide better propagation and penetration through obstacles than 5GHz signals. That matters when a camera is installed at the edge of Wi-Fi coverage — at an entrance, garage, exterior wall, backyard, or other location away from the router.

The trade-offs can be summarized simply:

This is also why dual-band 2.4GHz + 5GHz Wi-Fi has become increasingly valuable in security cameras.

It combines the broad compatibility and coverage advantages of 2.4GHz with the higher throughput and additional network flexibility of 5GHz. Current security products can already combine dual-band connectivity with newer standards; for example, TP-Link's Tapo C560WS supports Wi-Fi 6 connectivity on either the 2.4GHz or 5GHz band.

3. Then What Are Wi-Fi 4, Wi-Fi 5, and Wi-Fi 6?

This is another common source of confusion.

Think of it this way:

2.4GHz / 5GHz = frequency bands

Wi-Fi 4 / 5 / 6 = generations of Wi-Fi technology

For example:

This leads to one important distinction:

Wi-Fi 6 does not mean 6GHz.

A security camera can support 2.4GHz Wi-Fi 6, or it can support dual-band 2.4GHz/5GHz Wi-Fi 6.

Newer Wi-Fi generations bring improvements beyond peak speed. Wi-Fi 6, for example, is designed to improve network efficiency and performance when multiple devices share the same network.

That is increasingly relevant to modern security and smart-home environments, where one router may be handling multiple cameras, video doorbells, smart appliances, smartphones, computers, and other IoT devices simultaneously.

4. 4G/5G Cellular Security Camera

So far, we have been talking primarily about Wi-Fi cameras.

Their typical connection looks like this:

Security Camera → Wi-Fi Router → Internet

A cellular security camera takes a different route:

Security Camera + SIM → 4G/5G Cellular Network → Internet

For homes, offices, stores, and other locations with existing broadband infrastructure, Wi-Fi provides a convenient way to connect security devices.

But security cameras are increasingly deployed far beyond traditional indoor networks.

Consider:

· Farms and ranches

· Forests

· Wildlife monitoring

· Hunting areas

· Remote properties

· Temporary construction sites

In these locations, there may be no practical Wi-Fi coverage at all.

A 4G or 5G cellular camera can instead connect directly to the mobile network, provided that compatible cellular coverage and data service are available.

Golden Vision's 4G trail camera, for example, is designed for remote outdoor applications where conventional Wi-Fi may not be available. Cellular connectivity is combined with starlight full-color imaging and weather-resistant design to support monitoring in demanding outdoor environments.

One distinction is important, however:

No Wi-Fi does not mean no network.

Remote live view, cloud communication, and push notifications still require cellular coverage and an appropriate data connection.

5. What Do These Connectivity Upgrades Mean for Security Cameras?

Security cameras are evolving toward higher resolutions, more advanced AI functions, multi-device ecosystems, and increasingly diverse deployment environments. Wireless connectivity is evolving alongside them.

5GHz Wi-Fi provides greater bandwidth potential and additional spectrum for high-performance wireless connections.

Wi-Fi 6 further improves network efficiency and multi-device performance, making it increasingly relevant to connected security and smart-home ecosystems.

Dual-band Wi-Fi gives products access to both 2.4GHz and 5GHz connectivity, expanding flexibility across different installation environments.

And 4G/5G cellular connectivity extends remote monitoring into locations where conventional Wi-Fi infrastructure may not be available.

For security camera buyers and product teams, understanding these distinctions makes it easier to read a specification sheet correctly — and to understand what each connectivity upgrade actually brings to the product.

As camera resolution, AI capabilities, and connected-device ecosystems continue to advance, wireless connectivity will remain an important part of overall security camera performance.