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Pair of small HDMI extender units with CAT5 ports and power adapter

STARTECH

STARTECH ST121HDBTE HDMI over CAT5 HDBaseT Extender 70m 4K 30Hz

SKU CH-DKHC-M93WZ MPN ST121HDBTE

Extends HDMI up to 70 m over a single CAT5e cable with power over cable and 4K at 30 Hz support

  • Distance70m / 230 ft. (Max)
  • Resolution Support4096 x 2160 (4K) @ 30 Hz
  • Audio7.1 Surround Sound
  • LED Indicator1 x Power Indicator
  • Power SupplyCenter Tip Polarity: Positive Input Current: 0.5A Input Volt
  • SpecificationHardware Audio: Yes Cabling: Cat 5e UTP or better Daisy-Chai

Option 230 ft. Distance

  • Extends 4K 30 Hz video up to 70 m over one CAT5e cable
  • Powers transmitter and receiver from a single adapter through the cable
  • Delivers 7.1 surround sound alongside high-definition video
  • Includes mounting hardware and universal power adapter for quick setup
  • Compact 0.98 × 2.64 × 3.15 in units fit tight spaces

HDMI over CAT5e/6 Extender

The ST121HDBTE extends an HDMI signal up to 70 metres over a single Cat 5e or Cat 6 cable. It is built for installers and AV professionals who need to place a display far from the source without running long HDMI leads. Both transmitter and receiver units draw power from one included adapter through the same cable.

Distance and Resolution Limits

The extender reaches its full 70 metre range at 1080p resolution. At 4K (4096 x 2160) the maximum supported refresh rate is 30 Hz, so motion-intensive content at higher frame rates is not supported. The HDBaseT link carries 7.1 surround audio alongside video.

Capacity and Headroom

The kit includes transmitter, receiver, mounting brackets, a universal power adapter and a short Cat5e patch lead. It handles typical digital-signage, conference-room and classroom runs where a single cable simplifies installation. It does not support daisy-chaining multiple receivers, so each display needs its own point-to-point link.

Points forts

  • Extends 4K 30 Hz video up to 70 m over one CAT5e cable
  • Powers transmitter and receiver from a single adapter through the cable
  • Delivers 7.1 surround sound alongside high-definition video
  • Includes mounting hardware and universal power adapter for quick setup
  • Compact 0.98 × 2.64 × 3.15 in units fit tight spaces

Caractéristiques

BrandStarTech.com
ModelST121HDBTE
Distance70m / 230 ft. (Max)
Resolution Support4096 x 2160 (4K) @ 30 Hz
Audio7.1 Surround Sound
LED Indicator1 x Power Indicator
Power SupplyCenter Tip Polarity: Positive
Input Current: 0.5A
Input Voltage: 100 ~ 240 AC
Output Current: 1.5A
Output Voltage: 12 DC
Plug Type: M
Power Source: AC Adapter Included
SpecificationHardware
Audio: Yes
Cabling: Cat 5e UTP or better
Daisy-Chain: No
Output Signal: HDMI
Ports: 1
Performance
Maximum Cable Length: 0.2 ft. [0.1m]
Wide Screen Supported: Yes
Connector(s)
Connector A:
- 1 x HDMI (19 pin) Latching Female
- 1 x RJ-45 Female
Connector B:
- 1 x HDMI (19 pin) Female
- 1 x RJ-45 Female
Environmental
Humidity: 0% - 80 % RH (non-condensing)
FeatureExtend video where power outlets are limited with power over cable that powers both the transmitter and receiver using a single power source at either side of the connection
Maintains astonishing picture quality up to 115 ft. (35m) away, with support for UltraHD 4K over non-proprietary CAT5e or CAT6 cabling
Also supports HD video resolutions such as 1920 x 1200 or 1080p at distances up to 230 ft. (70m)
Hassle-free, professional installation with included mounting brackets, and full video extension over one CAT5 cable
70m (230 ft.) maximum Cat5 cable distance
No software/drivers requi
Dimensions0.98" x 2.64" x 3.15"
Weight0.68 lb.
Package Content1 x HDMI over CAT5e/6 transmitter unit
1 x HDMI over CAT5e/6 receiver unit
1 x mounting bracket kit
1 x universal power adapter (NA/EU/UK/AU)
1 x Cat5e cable
1 x instruction manual
Poids d’expédition1.09 kg
Dimensions du colis236 × 147 × 64 mm

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Questions sur cet article

Should I choose the 70m version or a shorter model for my install?

This unit reaches 70m over a single CAT5e cable and includes power over cable so only one adapter is needed; pick it when the run exceeds shorter extender limits.

What does 4K 30Hz actually deliver on my display?

The extender passes 4096 x 2160 at 30 Hz with 7.1 surround sound, so UHD video and multi-channel audio arrive intact at the far end.

Does the HDBaseT link cap bandwidth or distance in practice?

HDBaseT carries the signal 70m over Cat 5e UTP or better with no daisy-chaining, and the single CAT5 cable also powers both transmitter and receiver units.

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