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Two compact metal boxes with VGA and RJ45 ports, power adapters and mounting bracket

STARTECH

STARTECH ST121UTP VGA extender 500ft 150m 2 local 2 remote

SKU CH-2ZH9-T33MG MPN ST121UTP

Extends and distributes a VGA signal to two local and two remote displays over Cat5 cabling up to 150 metres

  • Extender & repeater typeNon Wall Plate Extender
  • Supported distance150 m / 500 ft
  • Supported resolutions1440 × 900 @ 150 ft / 50m 1280 × 1024 @ 300 ft / 100m 1024 ×
  • Power supplyPower Adapter Included: Yes Output Voltage: 9 DC Output Curr
  • Spec summaryCabling: Cat 5e UTP or better Audio: No Daisy-Chain: No Loca
  • HighlightsConsists of 1 Base unit for the local display, and 1 Remote
  • Extends VGA to two local and two remote screens over Cat5 cabling
  • 1440×900 resolution at 150 ft, 1280×1024 at 300 ft, 1024×768 at 500 ft
  • Power adapters included for both local and remote units
  • Compact 3.3×2.4×0.8 in design with mounting bracket and rubber feet
  • Weighs 181 g for easy rack or desktop placement

VGA extender for four displays

The StarTech ST121UTP extends a single VGA source to two local and two remote monitors over Cat5e or better cabling. It reaches up to 150 metres with a 1024x768 image and shorter runs support 1280x1024 or 1440x900. The kit includes both extender units, two power adapters, a mounting bracket and rubber feet.

Cabling and resolution planning

Verify that your cable run uses solid-conductor Cat5e UTP or higher and does not exceed 150 metres. At the full distance the maximum supported resolution drops to 1024x768; 1280x1024 is available at 100 metres and 1440x900 at 50 metres. Each display requires a standard VGA connection.

Passive cooling and low power draw

The compact units measure 3.3 by 2.4 by 0.8 inches and weigh 181 grams with no moving parts, so they operate silently. Each side draws 0.6 amps at 9 volts DC from the supplied adapters, keeping heat output minimal in typical installations.

How it compares

Measured against everything we stock in A/V Extenders & USB Hubs, at today’s prices. Recalculated every night.

Price $93.99
Cheaper than about 66% of the 239 comparable items (median $132.99).

Specifications

Product
Brand nameStarTech.com
Model nameST121UTP
Performance
Supported distance150 m / 500 ft
Display
Supported resolutions1440 × 900 @ 150 ft / 50m
1280 × 1024 @ 300 ft / 100m
1024 × 768 @ 500 ft / 150m
Power
Power supplyPower Adapter Included: Yes
Output Voltage: 9 DC
Output Current: 0.6A
Center Tip Polarity: Positive
Size & build
Product dimensions3.3 inW × 2.4 inL × 0.8 inH
Product weight181g
Shipping weight0.81 kg
Package size241 × 188 × 91 mm
More details
Extender & repeater typeNon Wall Plate Extender

Questions about this item

Does the ST121UTP package include the Cat5e cables needed to link the local and remote units?

No, the box supplies the local unit, remote unit, two power adapters, a mounting bracket with screws, rubber feet and a manual; Cat5e or better UTP cable must be purchased separately.

Which resolution should I expect at the full 500 ft distance versus a shorter 150 ft run?

At 500 ft (150 m) the extender supports 1024 x 768; at 150 ft (50 m) it supports 1440 x 900, with 1280 x 1024 available at the intermediate 300 ft (100 m) range.

How many monitors can I actually drive at each end once the extender is installed?

The local unit provides one VGA input and two VGA outputs, while the remote unit provides two VGA outputs, so up to two displays can be connected at the local side and two at the remote side simultaneously.

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