CAT6 vs CAT6A for CCTV: Speed & Distance 2026

CAT6 is the cheaper, thinner cable and holds its full Gigabit speed across the whole 100m channel; it's only on 10GBASE-T (10 Gigabit) links that it falls back below roughly 55m, where CAT6A keeps its full 10Gbps capability across the entire 100m channel. Which one to spec isn't a question of which cable is "better" in the abstract — it comes down to whether you need 1Gbps or 10Gbps at the far end, the run length involved, and how the cable will be loaded and installed, since heat in bundled runs is a function of conductor size and installation conditions as much as category.

What actually matters when choosing cat6 vs cat6a

Choose based on run length and installation constraints. Cat6 carries Gigabit Ethernet over the full 100-metre channel; the roughly 55-metre limit only bites if you're pushing 10 Gigabit over Cat6, and most CCTV cameras stream far below either cable's theoretical bandwidth ceiling.

For CCTV runs, the choice comes down to run length, PoE load, camera resolution ambitions, and how the cable will be installed — not headline bandwidth. Cat6 is rated for 250 MHz and carries Gigabit Ethernet to the full 100 metres, but drops back to around 55 metres for 10 Gigabit Ethernet (10GBASE-T) under favourable conditions; Cat6a runs at 500 MHz and holds 10 Gigabit across the full 100-metre channel, per the trueCABLE comparison.

Most multi-camera IP CCTV installs sit well within either cable's data ceiling, since cameras typically stream far below 1 Gbps, so the deciding factor for a camera drop is rarely bandwidth. The more useful question is what the cable run is actually for: a single camera drop to an NVR, or a backbone link that might one day carry 10 Gigabit switch traffic. For a fuller breakdown of speed and distance for CCTV cabling, see our guide.

1. Camera drop or 10G backbone?

A camera drop running Gigabit Ethernet to a single PoE camera doesn't need Cat6a just because the run is long — Cat6 covers the full 100 metres at Gigabit speeds regardless of length. Cat6a only earns its keep where the link itself needs to carry 10 Gigabit Ethernet past around 55 metres, such as a switch-to-NVR backbone or a core run you want ready for a future 10G upgrade.

2. Conduit space and termination difficulty

Cat6a conductors and jackets are typically thicker, which the trueCABLE guide notes makes termination harder and reduces bend radius around tight corners — relevant where cameras sit in cramped soffits or existing trunking is already full.

3. PoE loading and cable bundles

Both cable categories carry PoE cable run calculator, and conductor size, ambient temperature and how many cables are bundled together all affect heat build-up in a run — not the category label alone. Where several PoE camera cables are bundled in the same conduit or basket tray, check the cable's PoE rating against your loading (for example, 802.3bt support) rather than assuming Cat6a is automatically cooler-running than Cat6 of similar conductor gauge.

4. Whether the install is indoor, external or future-facing

An external run needs an outdoor-rated jacket regardless of category — something like the CAT6 U/UTP Outdoor Cable 1m Reel 23AWG Black is built for that exposure — while a structured cabling project wanting to future-proof for 10 Gigabit switches later is better served by bulk Cat6a such as the Cat6A Network Cable 305m Grey Solid Core Ethernet LAN Cable.

The key takeaway: pick on what the run needs to carry and how far, not on the assumption that Cat6a is simply "better." A single camera drop rarely needs it; a backbone that might carry 10 Gigabit one day usually does. If you're unsure which fits your camera count and cable runs, you can browse the range at https://clearsecurity.co.uk or ask for a suggested system.

Cat6A Network Cable 305m Grey Solid Core Ethernet LAN Cable — best for whole-site CCTV and network rewires where 10 Gigabit headroom matters

If you're cabling a multi-camera CCTV install or a building-wide network refresh and want every run rated for full 10 Gigabit Ethernet, this 305m reel of solid-core Cat6A is the sensible bulk buy rather than piecing together shorter Cat6 lengths.

• Full 305m reel, solid core — suited to fixed structured cabling (camera runs, patch panel to wall-plate, riser routes) rather than flexible patch leads, which should stay stranded.
• Cat6A spec supports Gigabit and 10 Gigabit Ethernet, giving you the 500MHz bandwidth class that lets a 10GBASE-T run reach the full 100m channel distance rather than the shorter distance Cat6 is limited to at 10G speeds, per trueCABLE's Cat6/Cat6A comparison and Patchbox's explainer.
• Grey outer jacket, useful for keeping structured cabling visually distinct from other services on a first-fix.
• One reel covers a lot of ground: for a spread-out NVR install with several camera drops, buying by the reel avoids running out mid-first-fix and having to splice in a second batch.

The trade-off: Cat6A is thicker and stiffer than Cat6, so it's less forgiving in tight conduit or around sharp bends, and it needs Cat6A-rated jacks and patch panels to actually deliver the full spec end-to-end — pairing it with Cat6 hardware downgrades the whole run. Approaching the 100m channel limit only pushes you towards Cat6A if that run genuinely needs 10G; a straightforward Gigabit camera drop near 100m still runs fine on Cat6.

If your cameras are all comfortably within Cat6's 10G reach and you've no 10G ambitions, our CAT6 U/UTP Outdoor Cable — rated for 10GBase-T to 55m under favourable conditions per its listing — may suit better and terminate more easily. Termination itself is a job for your own electrician or installer — check the datasheet before ordering.

Browse the full run at Cat6A Network Cable 305m Grey Solid Core Ethernet LAN Cable, or get in touch to check current availability.

CAT6 U/UTP Outdoor Cable 1m Reel 23AWG Black — best for short outdoor camera runs where Cat6 already covers the distance

A reel-cut, PE-jacketed Cat6 U/UTP cable built for external camera drops rather than in-cabinet patching — the right pick when your run to the camera is well inside Cat6's distance ceiling and you don't need Cat6a's extra headroom.

• 23AWG solid copper conductors in a U/UTP (unshielded) construction, terminated to standard RJ45.
• 550MHz bandwidth, comfortably above the 250MHz Cat6 typically achieves, giving some margin on noisy external runs.
• 10GBase-T to around 55m under favourable conditions — the approximate distance at which Cat6 can hold a 10G link before performance drops back to lower speeds; fine for a single camera drop, tight for a long 10G backbone.
• PoE-rated to 802.3bt, so it'll carry power and data to PTZ or high-draw cameras without needing a separate feed.
• Sold as a 1m reel-cut length, useful for short, awkward drops where you don't want offcuts from a full box.

Most IP camera links run at Gigabit speed, not 10G, so the 55m figure above only matters if that particular link needs to carry 10 Gigabit traffic. For a standard Gigabit camera drop, Cat6 holds its full speed out to its normal 100m channel length regardless of whether it's near that mark — the case for stepping up to Cat6a's tighter tolerances and higher-frequency headroom is about needing 10G capacity on that run, or future-proofing a backbone, not the raw distance of a Gigabit camera feed.

Check current stock and lead time on the CAT6 U/UTP Outdoor Cable 1m Reel 23AWG Black or ask us for a suggested cabling spec.

Connectix Cat6 U/UTP Outdoor Network Cable 1m PE Solid Copper Black — best for short outdoor camera runs where Cat6 bandwidth is plenty

This is a 1 metre outdoor Cat6 network cable with solid copper conductors and a PE jacket, listed in the catalogue as unshielded twisted pair — not a terminated patch lead, so factor in your own connectors and termination.

For most CCTV installers, the cat6 vs cat6a decision comes down to distance and future bandwidth headroom. Cat6 supports Gigabit Ethernet over the full 100 metre channel, so a short run like this is never the limiting factor — that ceiling only bites with 10 Gigabit Ethernet, where Cat6 is limited to roughly 55 metres against Cat6a's full 100 metres, per the TrueCABLE comparison.

Cat6a's real advantage — full 10 Gigabit performance to the 100 metre channel limit — only matters on long backbone runs, not a short length like this one.

• Solid copper conductors, as specified for this cable in the catalogue
• Outdoor cable, described in the catalogue simply as Category 6 (Cat6) unshielded twisted pair — check the length and termination you need before ordering
• Short length — suited to a cabinet-to-camera or NVR-to-patch-panel run where termination is straightforward, rather than a long-distance pull

Skip it if you're pulling a new long-distance run to a camera or need 10G-ready headroom — for that, a Cat6A Network Cable 305m Grey Solid Core Ethernet LAN Cable or the site's own CAT6 U/UTP Outdoor Cable 1m Reel 23AWG Black makes more sense. For the fuller cat6 vs cat6a breakdown including cost and cat7/cat8 context, see this comparison.

Browse the Connectix Cat6 U/UTP Outdoor Network Cable 1m PE Solid Copper Black at Clear Security, or ask for a suggested system if you're not sure which length or termination suits your install.

Connectix Cat6 U/UTP Outdoor Network Cable 305m PE Solid Copper Black — best for long external CCTV camera runs

A 305m outdoor Cat6 reel with solid copper and PE jacket, designed for external Gigabit camera and PoE runs where cost per metre matters more than 10G headroom on standard installations.

A 305m outdoor-rated Cat6 pull box aimed at installers running Gigabit-speed camera or data cabling outside, where budget per metre matters more than 10G headroom. Cat6 caps out at 250 MHz and supports 10 Gigabit Ethernet only to around 55m under favourable conditions, well short of Cat6a's full 100m channel, per CrimpShop's comparison — but in installations running Gigabit links, which covers most PoE cameras and NVRs on the market, that limit doesn't come into play.

• Solid bare copper conductors, not copper-clad aluminium — the right choice for PoE runs feeding cameras and access points reliably over distance
• PE (polyethylene) outer jacket, built for external routing between buildings, camera poles or soffits rather than internal containment
• Supplied on a 305m pull box reel, sized for whole-site first-fix runs rather than one-off patch leads
• U/UTP construction (unshielded) — fine for most external CCTV runs, though sites with heavy electrical interference may warrant a shielded alternative

If your build is speccing 10 Gigabit backbone links, patch panels or genuine future-proofing, this isn't the reel to reach for — our cat6 vs cat6a comparison covers that decision in more depth, and our Cat6A 305m reel is the one to spec instead. For standard camera and network drops, running at Gigabit speed rather than 10G, this remains a straightforward, cost-effective outdoor choice.

Browse Connectix Cat6 U/UTP Outdoor Network Cable 305m PE Solid Copper Black to check current availability.

Which one should you buy?

For most CCTV installs, Cat6 is the sensible buy; step up to Cat6a if your backbone run needs the full 10 Gigabit speed beyond roughly 55 metres, or you're deliberately future-proofing a core building link.

It's worth separating two different questions here: how far can Gigabit go, and how far can 10 Gigabit go? Cat6 carries a standard Gigabit (1 Gbps) camera or PoE link over the full 100-metre channel without issue — the ~55-metre figure only bites once you're asking a Cat6 cable to carry 10GBASE-T. Cat6a holds the full 10 Gbps out to 100 metres thanks to its 500 MHz bandwidth against Cat6's 250 MHz, per the trueCABLE comparison.

So in practice: a single camera drop running Gigabit PoE at, say, 80 metres doesn't need Cat6a just because it's a long run — Cat6 covers that distance at 1 Gbps fine. It's only a 10-gigabit backbone link, or a run you expect to upgrade to 10G later, that pushes you towards Cat6a on distance grounds alone.

If your budget is tight and your longest camera run sits well under the 55-metre 10G threshold, an outdoor-rated 23AWG solid-copper CAT6 U/UTP Outdoor Cable covers 10GBase-T to 55 metres and PoE up to 802.3bt, which suits the great majority of IP camera and PoE switch runs at Gigabit speeds.

Choose Cat6a instead when you're wiring a multi-camera site with long backbone runs to a central NVR cabinet, or want headroom for a future 10-gigabit upgrade without re-pulling cable through walls and ducting. A 305-metre reel of Cat6A Network Cable with solid-core conductors suits exactly this kind of structured cabling job across a larger commercial or multi-building installation.

One practical point that gets lost in the spec sheets: running several PoE cameras through the same bundle or duct puts more heat into that bundle than a single lightly-loaded cable, and conductor size, cable count and installation conditions all affect how much headroom you actually have against a cable's PoE rating. That's a reason to size the run and containment with your installer rather than to assume Cat6 or Cat6a alone solves heat build-up.

The key takeaway: match the cable to your longest run and your genuine need for 10 Gbps, not to the newest category on the shelf. Whichever you choose, your own electrician or installer fits the cable and terminations — check the product's datasheet or installation guide for termination details. If you're unsure which reel suits your site, browse the range at Clear Security or ask for a suggested system.