StarTech.com HDMI over CAT5e HDBaseT Extender - Power over Cable - Ultra HD 4K

Manufacturer: Startech | Model: ST121HDBTE | Product ID: 5681 | Warranty: 2 Years
£210.95 (inc. VAT)
58 in stock
100% Money Back Guarantee - Risk Free

Product Technical Specification

Features
TypeAV transmitter & receiver
Maximum resolution4096 x 2160
Cable types supportedCat5e,Cat6
Maximum transfer distance70
Maximum refresh rate60
Audio systemMultichannel
Audio output channels7.1
LED indicatorsStatus
Supported video modes720p,1080p
Supported graphics resolutions1280 x 720 (HD 720),1920 x 1080 (HD 1080),1920 x 1200 (WUXGA),2560 x 1600 (WQXGA),4096 x 2160
Cable length0.1
MaterialAluminium
Daisy chainNo
Mean time between failures (MTBF)52000
Product colourBlack
CertificationCE, FCC, HDBT, TAA
Ports & interfaces
Connectivity technologyWired
RJ-45 input ports1
RJ-45 output ports1
HDMI in1
Number of HDMI outputs1
DC-in jackYes
Power
AC input voltage110 - 240
Operating voltage12
Input current0.5
Output current1.5
Power consumption (typical)3
Power plug typeType M
Operational conditions
Operating temperature (T-T)0 - 40
Storage temperature (T-T)-10 - 60
Operating relative humidity (H-H)0 - 80
Weight & dimensions
Width67
Depth80
Height25
Weight428
Packaging data
Package width235
Package depth156
Package height65
Package weight1100
Packaging content
AC adapter includedYes
Cables includedLAN (RJ-45)
Included power plug typesAU,EU,NA,UK
ManualYes
Mounting brackets includedYes
Grounding wireYes
Technical details
Audio supportYes
Sustainability certificatesRoHS
Logistics data
Master (outer) case width325
Master (outer) case length411
Master (outer) case height257
Products per master (outer) case12

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Mon 31st Aug 2026 to Thu 03rd Sep 2026
Business Express
£6.95
Business Express

Business Express

Estimated delivery date: Sun 30th Aug 2026 to Tue 01st Sep 2026
View all Delivery Options & International Rates
Extend HDMI® up to 230ft (70m) over a single CAT5e/6 cable with Power over Cable to ReceiverThe StarTech.com HDBaseT extender kit, extends HDMI up to 230 feet (70 Meters) over a single CAT5e or CAT6 cable. The extender supports Ultra HD and Full HD resolutions (4K / 1080p) with support for 3D and the accompanying digital audio. For added versatility, both the transmitter and receiver can be powered by the same single power source using Power Over Cable (POC). The versatility of this video extender makes it an ideal solution for digital signage applications in large buildings such as commercial shopping centers, stadiums, schools, and hospitals.What is HDBaseT?HDBaseT is a standardized, zero latency, video distribution technology that’s revolutionizing HDMI distribution. HDBaseT uses an advanced method of modulation that enables you to distribute uncompressed HDMI audio and video along with additional signals such as 100BaseT Ethernet, IR, RS-232 serial and power over cable.Extend more with HDBaseTThe extender offers HDBaseT technology with HDMI and Power in a single extender kit, for complete end-to-end solution. Offering greater versatility than traditional HDMI extenders or HDMI cabling alone HDBaseT is the clear choice for every integrator and system designer. The added benefit of power over cable means you’ll only need one power source at either side of your extension, great for extending video to areas where power outlets may be limited, such as industrial sites.Astonishing 4K picture quality from an impressive distanceWith the A/V industry quickly adopting 4K as the new high-resolution video standard, long range video distribution can be a challenge with standard HDMI cables beginning signal degradation at 30 feet.With support for 4K you’ll be amazed at how HDBaseT maintains your Ultra HD picture quality, four times the resolution of high-definition 1080p, even at 130 feet away from your video source. Plus, because the extender supports High-Definition 1080p and lower resolutions at 230 feet away, you can comfortably use this extender to make any video source look great.Simplify your setupThis extender has been specially crafted for a smooth, tidy installation. HDBaseT technology allows for single cable installation, for seamless integration using existing CAT5e or CAT6 infrastructure, avoiding the hassle of running multiple Ethernet cables while, reducing potential failure points. Plus, the added benefit of power over cable means you’ll only need one power source to power both your extender and receiver, great for extending to areas where power outlets may be limited. Mounting hardware is also included for both the extender and receiver for discrete, professional mounting.The ST121HDBTE is TAA compliant and backed by a 2-year StarTech.com warranty with free lifetime technical support.The StarTech.com Advantage
Features
TypeAV transmitter & receiver
Maximum resolution4096 x 2160
Cable types supportedCat5e,Cat6
Maximum transfer distance70
Maximum refresh rate60
Audio systemMultichannel
Audio output channels7.1
LED indicatorsStatus
Supported video modes720p,1080p
Supported graphics resolutions1280 x 720 (HD 720),1920 x 1080 (HD 1080),1920 x 1200 (WUXGA),2560 x 1600 (WQXGA),4096 x 2160
Cable length0.1
MaterialAluminium
Daisy chainNo
Mean time between failures (MTBF)52000
Product colourBlack
CertificationCE, FCC, HDBT, TAA
Ports & interfaces
Connectivity technologyWired
RJ-45 input ports1
RJ-45 output ports1
HDMI in1
Number of HDMI outputs1
DC-in jackYes
Power
AC input voltage110 - 240
Operating voltage12
Input current0.5
Output current1.5
Power consumption (typical)3
Power plug typeType M
Operational conditions
Operating temperature (T-T)0 - 40
Storage temperature (T-T)-10 - 60
Operating relative humidity (H-H)0 - 80
Weight & dimensions
Width67
Depth80
Height25
Weight428
Packaging data
Package width235
Package depth156
Package height65
Package weight1100
Packaging content
AC adapter includedYes
Cables includedLAN (RJ-45)
Included power plug typesAU,EU,NA,UK
ManualYes
Mounting brackets includedYes
Grounding wireYes
Technical details
Audio supportYes
Sustainability certificatesRoHS
Logistics data
Master (outer) case width325
Master (outer) case length411
Master (outer) case height257
Products per master (outer) case12

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Buykingston order despatch times:

We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.

Despatch times do not apply to UK public holidays.

Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.

Our warehouse reserves the right to upgrade the delivery method you select on your order.

Our available delivery options*

Contact us for a shipping quote.

*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a simple, hassle-free returns policy. If for whatever reason you are not happy with the item purchased, you can return it to us within 14 days of receipt for a refund. This applies to items purchased direct through Buykingston only.

Our 14 Day Returns Money Back Guarantee:
For items returned in resaleable condition, with all original packaging. If an item has been opened for inspection but shows signs of use beyond that, a deduction may apply to reflect the reduced value — see our full Terms & Conditions (Section 12) for details.

Some items are excluded from our money-back guarantee unless they have developed a fault. These include:

- Headphones
- Earphones
- Custom made and designed products, such as flash memory products with custom logos on them, e.g. USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
14 days from date of receipt, or expected date of receipt on non-tracked items.

How do I go about returning my order?
Please contact us via our contact page with your order number. We will provide you with an RMA number and return instructions, including your return deadline and whether a freepost label applies to your order.

Do I need to contact you before returning my order?
Yes, to obtain an RMA number before sending anything back.

Does my item have to include its original packaging?
Yes, to qualify for our 14 day money-back guarantee. For faulty items, we understand you may no longer have the original packaging.

Who pays for return postage?
If your item is faulty, damaged, or not as described, we cover reasonable return postage, or provide a freepost label where available. If you are returning an item for another reason (including simply changing your mind), you are responsible for return postage unless we have expressly confirmed a freepost label in your RMA email — we recommend using a tracked and insured service for items of significant value.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer directly for assistance.

Please ensure you have read and comply in full with Sections 11–13 of our Terms & Conditions.