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Product Features
Technical Overview
This video extender receiver is engineered for VGA graphics mode, supporting a maximum resolution of 1024 x 768 (XGA). Its pure hardware design requires no software installation or drivers, ensuring compatibility with any VGA source and operating system. The unit uses standard straight-wired Category 5 UTP or STP network patch cables for signal transmission, providing a cost-effective and readily available cabling solution.
The receiver's connectivity is focused on its core function: one RJ-45 input for the extended signal from the transmitter and two VGA female outputs for local display connection. This configuration supports a simple one-to-two distribution model, ideal for duplicating a video source onto a primary and secondary screen.
Relevant factors for this section include Connectivity Technology, Number of Output Devices Supported, Maximum Operating Distance, Graphics Modes. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The ST121R simplifies long-distance VGA connectivity by leveraging existing network cabling, reducing installation complexity and material costs compared to running dedicated long VGA cables. Its reliability stems from a driver-free, hardware-only operation that avoids software conflicts and ensures instant plug-and-play functionality.
Extended Reach
Overcomes the typical 50-foot limitation of standard VGA cables by transmitting signals up to 500 feet over Cat5, enabling flexible display placement in larger rooms or across different areas.
- Uses economical Cat5 cable
- Maintains signal integrity over distance
Simple Distribution
The dual VGA output allows a single video source to be shown on two displays simultaneously, perfect for presentations, monitoring, or basic digital signage without needing a separate splitter.
- One-to-two video distribution
- Eliminates need for additional hardware
Deployment / Use Cases
This receiver is typically deployed in environments where a computer or media player with a VGA output needs its display extended to one or two remote monitors. Common applications include extending a laptop's presentation to a projector in a large conference room, distributing a security camera feed to multiple monitoring stations, or setting up a basic digital signage system with a central media player.
The unit is particularly valuable in retrofit scenarios where upgrading entire systems to HDMI or DisplayPort is not feasible. Its use of Cat5 cable makes it easy to run through walls, ceilings, or conduits already containing network infrastructure, simplifying installations in existing buildings.
Conference & Training Rooms
Extend a presenter's laptop VGA output to a wall-mounted projector and a secondary confidence monitor for the speaker, ensuring reliable video over long room distances.
Legacy System Integration
Connect older PCs, point-of-sale systems, or industrial equipment with VGA outputs to modern displays located away from the source, preserving existing hardware investments.
What's in the Box
The package includes all necessary components for immediate setup and operation.
Highlights
- Extends VGA video signals up to 500 feet (150 m) over Cat5 cable.
- Distributes one VGA source to two displays simultaneously.
- Pure hardware design requires no software or drivers for operation.
- Uses standard Category 5 straight-wired twisted-pair network cable.
- Supports a maximum video resolution of 1024 x 768 (XGA).
- Compact black enclosure with included mounting brackets.
- TAA compliant for use in U.S. government contracts.
- Backed by a 2-year limited warranty from StarTech.com.
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | ST121R |
| Brand Name | StarTech.com |
| Product Name | VGA Video Extender Remote Receiver over Cat 5 |
| Packaged Quantity | 1 Each |
| Product Type | Video Extender Receiver |
| Technical Information | |
| Connectivity Technology | Wired |
| Number of Output Devices Supported | 2 |
| Maximum Operating Distance | 492.13 ft (150000 mm) |
| Video | |
| Graphics Modes | VGA |
| Maximum Video Resolution | 1024 x 768 |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| VGA Out | Yes |
| Number of Network (RJ-45) Ports | 1 |
| Number of VGA Outputs | 2 |
| Media & Performance | |
| Media Type Supported | Twisted Pair |
| Twisted Pair Cable Standard | Category 5 |
| Physical Characteristics | |
| Color Family | Black |
| Product Color | Black |
| Receiver Height | 0.80" (20.32 mm) |
| Receiver Width | 3.30" (83.82 mm) |
| Receiver Depth | 2.60" (66.04 mm) |
| Receiver Weight (Approximate) | 5.93 oz (168 g) |
| Miscellaneous | |
| Package Contents | VGA Over CAT5 UTP Receiver 1 x 9V Power Adapter 1 x Instruction Manual |
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| Environmentally Friendly | Yes |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What is the maximum distance this VGA extender receiver supports?
The StarTech.com ST121R receiver supports a maximum operating distance of 492.13 feet (approximately 150 meters) when used with a compatible transmitter over standard Category 5 twisted-pair cable. This allows you to place displays far from the video source, well beyond the limits of a direct VGA cable run.
How many displays can I connect to this receiver?
This receiver has two VGA output ports, allowing you to connect and drive two separate displays simultaneously from a single extended video source. It functions as a built-in splitter, making it ideal for duplicating content on a primary and secondary monitor or projector.
Do I need special software or drivers to use this extender?
No. The ST121R is a pure hardware-based solution. It requires no software installation, device drivers, or configuration on your computer or source device. It operates transparently, making it compatible with any system that has a standard VGA output.
What type of cable do I need to connect the transmitter to this receiver?
You need a standard straight-through (not crossover) Category 5 (Cat5) unshielded or shielded twisted-pair (UTP/STP) network patch cable. This is the same common, economical cable used for Ethernet networks, which simplifies sourcing and installation.
What is the maximum video resolution supported?
This extender receiver supports VGA graphics mode with a maximum video resolution of 1024 x 768 pixels (XGA). It is designed for extending standard VGA signals and is suitable for basic computer desktops, presentations, and legacy video sources.
Does the package include everything needed for installation?
Yes. The package includes the VGA over CAT5 UTP receiver unit itself, a 9V power adapter to power the receiver, and an instruction manual. Please note you will need to purchase a compatible StarTech.com transmitter (sold separately) and the required Cat5 cable to complete the extension system.