The VeCOAX RACK-4 is built on the same award-winning MINIMOD platform that has been the most trusted HDMI modulator in America since 2017. Four independent modulator channels, professionally integrated into a single 1RU rack-ready system for clean, reliable multi-channel HD distribution over coax.
Recognition
#1 Best HDMI Modulator Platform Since 2017
The VeCOAX RACK-4 delivers four independent award-winning HD channels in a single rack-ready system. NAB Product of the Year, CE Pro Best, Best of Show winner.
How It Works
Four HDMI Sources. Every TV in Your Building.
The VeCOAX RACK-4 converts four HDMI signals into four real digital TV channels distributed over your existing coaxial cables. No new wiring. No adapters behind every TV. No complicated setup.
- Four independent HD channels from any four HDMI sources
- Connect any HDMI source to each channel β cable box, streaming device, camera, computer
- Set each channel number and name directly on the color display
- Scan your TVs β done. Full HD 1080p with Dolby audio on every screen
- 5 TVs or 5,000 β same coax, no per-TV cost, no limits
- Expand any time β add more VeCOAX modulators on the same coax
Setup
No Computer Needed. Set Up in Minutes.
Configure every setting β channel name, number, format β right on each channel's color display, or via the computer port.
- Built-in color LCD with front-panel navigation on each channel
- Set channel number, name, and modulation type on screen
- No computer needed β or control via the computer port
- Power on β Configure β Scan TVs β Watch
Universal Compatibility
Works with Every TV in Cable or Antenna Mode
Your four custom channels blend seamlessly with your existing cable (QAM) or antenna (ATSC) lineup. Every TV in the building tunes them in.
Each RACK-4 channel creates a real digital TV channel that coexists with whatever your TVs already receive. Switch between QAM, ATSC, ISDB-Tb, DVB-T, DVB-C, and DMB-T directly from the front-panel color display β no computer needed.
Remote Control
Control All Four Channels Via Web Browser
Manage your RACK-4 channels remotely from any web browser β PC, tablet, or phone. Monitor status, change channels, adjust settings.
- Full web interface accessible over your local network
- Monitor and configure all four channels from one screen
- Works from PC, Mac, tablet, or smartphone
- Real-time status monitoring and alerting
Audio
Broadcast-Grade Dolby Digital Audio
Studio-quality Dolby Digital audio encoding delivers immersive sound across every TV in your distribution system.
- Dolby Digital Stereo LPCM encoding
- Passes through 5.1 surround from compatible sources
- Independently tested β best audio quality in its class
- Crystal-clear voice, music, and effects on every screen
Installation
Three Steps. Four Channels.
Connect HDMI. Set your channels. Scan your TVs. Every screen in the building shows your four channels in Full HD.
Installation is fast: plug your four HDMI sources into the RACK-4, choose channel numbers on the color displays, then run a channel scan on your TVs. Every TV in the building now shows your content in crystal-clear 1080p Full HD with Dolby Digital audio. No computer required, no IT department needed.
The VeCOAX RACK-4
Four HD Channels. Single 1RU Rack.
Four award-winning broadcast-grade modulator channels, professionally integrated into one rack-ready system. Designed and manufactured in USA with a 5-year warranty.
The VeCOAX RACK-4 distributes four of any HDMI video source up to 1080p Full HD with Dolby audio to an unlimited number of TVs over your existing coaxial cables, with perfect digital quality at any distance. Built on the trusted MINIMOD platform: built-in color displays, +45 dBmV RF output, secure web remote control, and compatibility with all worldwide TV standards. Set channel names and numbers, rescan your TVs, and the four RACK-4 channels appear as new HDTV channels.
Scale Up
Expand to Even More Channels
Need more than four channels? Add more VeCOAX modulators on the same coax, or step up to the MiniBlade system for the highest channel density.
The RACK-4 is fully expandable. Each channel runs independently with its own encoder, so you can add channels at any time by combining more VeCOAX modulator outputs on the same coax. For the largest installations, the MiniBlade system packs 10+ channels into a single rack space β with the same independent redundancy.
Compatibility
Designed for Every TV β HD, 4K, and 8K
Works flawlessly on any legacy HD television as well as the latest 4K and 8K UHD displays, delivering stunning video and motion quality.
Each RACK-4 channel outputs a broadcast-standard digital TV channel that every television can decode β from decade-old HD sets to the newest 8K displays β with proper color space, frame rate, and audio synchronization on every screen.
Features
Engineered for Excellence
Four channels of professional-grade performance built on the trusted VeCOAX platform.
Four Independent HD Channels
Distribute four separate HDMI sources as four HD channels over a single coax network.
Color Display Per Channel
All parameters programmable on the built-in color LCD β or via the computer port.
Quick Setup β One-Click Recall
On-click setup recalls all parameters instantly. True plug-and-play to any channel.
1080p@60 Motion Estimation Encoding
Multi-layer motion estimation encoding delivers crystal-clear image quality on the largest screens.
MPEG-2 Broadcast Encoding
Industry-standard MPEG-2 video encoding β the same format used by cable operators worldwide.
+45 dBmV Output Power
Professional-grade +45 dBmV RF output power β drives large systems without external amplifiers.
MER >45 dB β Broadcast Quality
Modulation Error Ratio exceeding 45 dB β crystal-clear picture with zero artifacts.
Full Digital DDS Synthesizer
Digital Direct Synthesis for perfect adjacent channel operation with zero spurious emissions.
Secure Web Remote Control
Password-protected web browser interface for secure remote management from any device.
Unlimited TVs β No Per-TV Cost
Distribute to 5 TVs or 5,000+. No per-TV licensing, no per-screen cost.
Worldwide Standards
QAM, ATSC, ISDB-Tb, DVB-T, DVB-C, DMB-T β selectable on the color display.
HDMI Licensed + Full EDID Control
Fully HDMI licensed with exclusive full EDID control for guaranteed source compatibility.
Watch the Demo
See It In Action
Watch how the VeCOAX RACK systems distribute multiple HD channels over coax to every screen.
Product overview covering connection, LCD setup, web remote access, TV standards, and real-world applications.
Applications
Built for Every Environment
π¨
Hotels & Resorts
Four welcome / event / info channels to every guest room.
πΊ
Sports Bars
Four game feeds to every screen β one system, every TV.
βͺ
Churches
Service, overflow, and info channels across the campus.
π₯
Hospitals
Education, wayfinding, and department feeds to any TV.
π
Schools
Multiple campus channels over existing infrastructure.
π’
Corporate
Town halls, dashboards, and signage across the building.
π
Residential
Four sources to every TV in the home β no extra boxes.
π‘οΈ
Government
Secure, reliable multi-channel video distribution.
Why PVI
Why VeCOAX RACK-4 Is the Best Four Channel System
Four award-winning HD channels in one reliable, single-rack system β better video, better sound, better build, at the best price.
VeCOAX RACK-4
Competitors
✓$1,830 β Complete 4-Channel System
✕Higher Cost for 4 Channels
✓All 4 Channels in a Single 1RU Rack
✕Multiple Boxes / More Rack Space
✓Color LCD β No Computer Needed
✕Requires PC for Full Setup
✓1080p @ 60fps Encoding
✕30fps Encoding
✓+45 dBmV RF Output Power
✕Low Power β May Require External Amplifiers
✓5-Year Manufacturer Warranty
✕1-Year Warranty
✓Made in USA
✕Rebranded import
✓Free Unlimited Tech Support
✕Limited Support
Specifications
Technical Specifications
| System Channels | 4 independent HD channels (4 HDMI inputs) |
| Video Input | HDMI (licensed, HDCP compliant) β compatible with HD and legacy HDMI sources |
| Input Resolution | 1080p | 1080i | 720p | 576p | 576i | 480p | 480i @ 24/29.97/50/59.94/60fps |
| Video Encoding | MPEG-2 broadcast-standard encoding |
| Output Resolution | Same as input β up to 1080p Full HD |
| Audio Format | Dolby Digital Stereo LPCM |
| RF Frequency Range | 54β990 MHz β selectable down to the Hz steps |
| RF Channel Bandwidth | 6/7/8 MHz (model specific to broadcast format) |
| Channel Range | 2β83 ATSC mode | 2β158 J83B QAM | Full range for other standards | Channel or Frequency selectable |
| Modulation Standards | QAM, ATSC, ISDB-Tb, DVB-T, DVB-C, DMB-T |
| RF Output Power | -8 dBm | ~45 dBmV (adjustable) |
| MER (Modulation Error Ratio) | >45 dB β Broadcast Quality |
| Frequency Synthesis | Full Digital DDS β zero spurious & harmonics |
| RF Connector | F-Type, 75Ξ© |
| Coaxial Cable Support | RG59 | RG6 (75Ξ© characteristic impedance) |
| RF Transmission Distance | β€3,000 m (~9,800 ft) β extendable with inline RF amplifiers |
| Display & Control | Color LCD per channel + Secure web browser remote (login-protected) |
| Network | Ethernet RJ-45 β web remote access and control |
| Form Factor | Single 1RU 19β³ rack-mounted 4-channel system |
| Power Input | AC 100Vβ240V 50/60Hz |
| Operating Temperature | -10Β°C to +45Β°C |
| Patent | Hardware, software, and display UI are PVIβs patent |
| Warranty | 5-Year Manufacturer Warranty |
| Origin | Designed & Made in USA |
FAQ
VeCOAX RACK-4 - Frequently Asked Questions
What is the VeCOAX RACK-4?
The VeCOAX RACK-4 is a four channel HDMI RF modulator rack system that converts four HDMI sources into four independent Full HD digital TV channels. It distributes all four channels over existing coaxial cable to unlimited TVs.
What is a quad channel HDMI RF modulator?
A quad channel HDMI RF modulator takes four separate HDMI inputs and creates four separate TV channels over coax. The RACK-4 is built for commercial installations that need four HD sources in one rack-ready system.
How many TVs can the RACK-4 feed?
Unlimited. The RACK-4 can distribute four HD channels to 5 TVs or 5,000+ TVs over the same coax network, using professional RF output power for long cable runs and splitter networks.
Can the RACK-4 use my existing coax cable?
Yes. The RACK-4 uses the coaxial cable already installed in commercial and residential buildings. It adds four custom HD channels to the existing TV distribution system without HDMI cable runs to every display.
Do I need a computer to set up the RACK-4?
No. Each RACK-4 channel has front-panel controls and a color LCD display for setup without a computer. You can also manage settings through the web browser remote interface when network access is preferred.
Does the RACK-4 work with QAM and ATSC TVs?
Yes. The RACK-4 supports QAM and ATSC plus ISDB-Tb, DVB-T, DVB-C, and DMB-T. Use QAM for cable-mode channel lineups and ATSC for antenna-mode channel lineups.
Can I use the RACK-4 with 4K and 8K TVs?
Yes. The RACK-4 creates broadcast-standard Full HD channels that tune correctly on legacy HD, 4K, and 8K televisions. The TV displays the channel normally and scales it to the screen resolution.
What HDMI sources work with the RACK-4?
The RACK-4 works with four HDMI sources such as cable boxes, satellite receivers, streaming devices, cameras, computers, signage players, DVR/NVR systems, and video switchers. Each input becomes its own channel.
Is the RACK-4 good for hotels and resorts?
Yes. Hotels use four channel rack modulators for welcome channels, local information, event feeds, security views, conference channels, or property signage. The RACK-4 sends those channels to every room using existing coax.
Is the RACK-4 good for sports bars and restaurants?
Yes. Sports bars can distribute four games, menus, event feeds, or promotional channels to every TV through coax. TVs tune to the channels directly, with no receiver box behind every screen.
Can churches and schools use the RACK-4?
Yes. Churches and schools can distribute live services, announcements, classroom feeds, signage, and overflow video to many rooms over the existing coax system. Four inputs give more flexibility than a single-channel modulator.
Can the RACK-4 distribute security camera or NVR video?
Yes. Connect DVR, NVR, or security HDMI outputs to the RACK-4 and distribute those views as TV channels. This lets front desks, guard stations, offices, and common areas tune to camera feeds from regular TVs.
Can I add more than four channels later?
Yes. You can add more VeCOAX modulators on the same coax network, combine systems with coax combiners, or step up to ULTRA or Mini Blade systems for higher channel counts. Each channel should be assigned its own RF frequency.
What is the difference between RACK-4 and RACK-2?
RACK-4 provides four independent HD channels, while RACK-2 provides two. Choose RACK-4 when you need four HDMI sources at once, and choose RACK-2 when two distributed channels are enough.
What is the difference between RACK-4 and ULTRA 4 channels?
RACK-4 is a four channel rack system built on independent MINIMOD-style channels. ULTRA 4 channels is a centralized multi-channel platform with centralized control display options for larger headend-style installations.
What is the difference between RACK-4 and Mini Blade?
RACK-4 is ideal for four HDMI channels in a rack-ready system. Mini Blade is the better choice when you need higher density, up to 10 channels or more, in a modular rack headend.
Can the RACK-4 coexist with existing TV channels?
Yes. The RACK-4 channels can be placed on available RF channels so they coexist with existing cable or antenna programming. TVs find the new channels during a normal channel scan.
How do TVs find the four RACK-4 channels?
After assigning channel numbers and modulation settings, run an auto-scan on each TV in Cable/QAM or Antenna/ATSC mode. The TVs store the four RACK-4 channels like regular broadcast channels.
Does the RACK-4 support web browser remote control?
Yes. The RACK-4 supports browser-based remote control from a computer, tablet, or phone on the local network. This makes it easier to manage a rack-mounted system from an office or AV control point.
What RF output power does the RACK-4 provide?
The RACK-4 provides professional RF output around +45 dBmV per channel, suitable for many commercial coax distribution systems. Large buildings should still follow proper RF level planning, splitting, and amplification practices.
Is the RACK-4 made for 24/7 commercial use?
Yes. The RACK-4 is built for continuous operation in commercial environments including hotels, venues, schools, churches, hospitals, and enterprise facilities. It includes a 5-year manufacturer warranty and free lifetime technical support.
Why choose the RACK-4 for quad channel TV distribution?
Choose the RACK-4 when you need four HDMI sources converted into four reliable HD TV channels over coax, with rack-ready installation, no-computer setup, web remote control, Made in USA support, and unlimited TV distribution.
Accessories
Complete Your Multi-Channel Setup
Everything you need to combine, rack-mount, and expand your distribution system.
Coax Combiner / Splitter (13-Port)
Combine the RACK-4 channels with other modulators onto one coax.
$105.00$95.00You save $10.00
MINIMOD 2+ HDMI Modulator
Add another independent HDMI source as a clean digital TV channel over the same coax.
$495.00$445.00You save $50.00
MINIMOD-4K Ultra HD
Need 4K? Step up to the full Ultra HD HDMI modulator.
$1,950.00$1,495.00You save $455.00
MICROMOD-3 SDI
Add 3G-SDI, HDMI, AV, closed captions, and analog inputs as another RF TV channel.
$1,295.00$995.00You save $300.00
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