The StarTech.com ST121 Series is an affordable solution for extending video signals over standard CAT5 cables up to a maximum of 130 meters. It supports resolutions up to 1600 x 1200 pixels, making it suitable for various display applications such as monitors in offices, classrooms, or home theaters.
This extender comes equipped with four D-sub connectors on its output side for flexibility in connecting multiple displays simultaneously. With a compact size of 119 x 86 x 23 millimeters and weighing just 1.7 kilograms, this device offers portability without compromising performance. The product includes all necessary mounting brackets, ensuring easy installation across different surfaces.
The power requirements are minimal at 9V DC input current of 0.18A and an output current of 0.5A, which helps extend battery life when using external adapters like the provided AC adapter that powers both ends of the cable connection. For those requiring additional documentation or troubleshooting support, manuals are readily available along with certification from CE Mark and FCC Part 15 standards adhered by the unit’s design.
Main characteristics
- Model: StarTech.com VGA Video Extender over Cat5 (ST121 Series)
- Colour: Black
- Dimensions (W×D×H): 119 x 86 x 23 mm
- Package weight: 1.7 kg
- Typical power consumption: 4.5 W
- sku: ST121UTPEU
- Type: AV transmitter & receiver
- Maximum resolution: 1600 x 1200 pixels







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