What Is the EX-330-K?
The OREI EX-330-K is a 1080p HDMI over IP extender kit that extends one HDMI source to one HDMI display directly, or to multiple HDMI displays through a standard 1G network switch.
The kit includes an Encoder and Decoder. The HDMI source connects to HDMI IN on the Encoder, the display connects to HDMI OUT on the Decoder, and CAT5e / CAT6 cable connects the Encoder and Decoder directly or through a 1G switch.
The EX-330-K supports HDMI 1.3 and HDCP 1.4, 148.5MHz video bandwidth, H.265 compression, 1G video network bandwidth, video resolution up to 1920x1080@60Hz output, and transmission distance up to 150m / 492ft over a single CAT5e / CAT6 cable. It supports one-to-one and one-to-many connection modes through a 1G standard IP switch, router, or hub.
The EX-330-K is useful for classrooms, conference rooms, retail displays, houses of worship, restaurants, bars, digital signage, monitoring rooms, and installations where one HDMI source needs to be extended or distributed over CAT cable.
IMPORTANT — EX-330-K Supports 1080p, Not 4K
The EX-330-K supports HDMI video output up to 1920x1080@60Hz.
It does not support:
- 4K
- 4K@60Hz
- 4K@120Hz
- 8K
For 4K extension, use a 4K HDMI extender or 4K HDMI over IP model.
IMPORTANT — Input and Output Resolution Are Different
The manual lists:
| Signal Side | Maximum Resolution |
| HDMI Input | Up to 1920x1200@60Hz |
| HDMI Output | Up to 1920x1080@60Hz |
This means the Encoder may accept up to 1920x1200@60Hz input, but the Decoder output is listed up to 1920x1080@60Hz.
For best compatibility, set the source output to 1080p@60Hz.
IMPORTANT — Extends up to 150m / 492ft Over CAT5e / CAT6
The EX-330-K supports transmission distance up to 150m / 492ft between Encoder and Decoder using CAT5e / CAT6 cable.
| Cable Type | Maximum Distance |
| CAT5e / CAT6 | Up to 150m / 492ft |
Poor-quality CAT cable, bad terminations, couplers, patch panels, or damaged connectors can reduce the working distance.
IMPORTANT — Supports One-to-One and One-to-Many Setups
The EX-330-K can be used in two common ways:
| Setup | Support |
| Encoder directly to Decoder | Supported |
| One Encoder to multiple Decoders | Supported through 1G switch / router / hub |
| Standard 1G IP switch | Supported |
| 100M switch | Not recommended |
The application example in the manual shows both direct Encoder-to-Decoder connection and one Encoder connected to multiple Decoders through a switch.
IMPORTANT — Use a 1G Network Switch for One-to-Many
For one-to-many distribution, use a standard 1G IP switch, router, or hub.
The EX-330-K uses 1G video network bandwidth.
Avoid using 100M switches for this setup.
IMPORTANT — H.265 Compression Is Used
The EX-330-K uses standard H.265 encoding and decoding technology.
This helps provide high-quality, low-bandwidth video transmission over CAT5e / CAT6 cable.
Because this is a compressed HDMI over IP extender, it is best for:
- Presentations
- Classrooms
- Digital signage
- Video viewing
- Monitoring
- General HDMI extension
It is not ideal for zero-latency applications or fast gaming.
IMPORTANT — No HDMI Loop Out
The EX-330-K does not list HDMI loop out on the Encoder.
It is designed with:
| Unit | HDMI Port |
| Encoder | HDMI IN |
| Decoder | HDMI OUT |
If a local display is needed near the source, use a model with HDMI loop out or add a compatible HDMI splitter before the Encoder.
IMPORTANT — No IR Control Listed
The EX-330-K manual does not list IR input or IR output ports.
It does not list IR remote-control pass-through.
If remote source control is needed from the display side, use an HDMI over IP or extender model that includes IR support.
IMPORTANT — Both Units Need Power
The EX-330-K uses DC 5V/1A power adapters.
| Unit | Power Requirement |
| Encoder | DC 5V/1A |
| Decoder | DC 5V/1A |
The manual shows power supplies connected to both Encoder and Decoder in the direct connection diagram.
Ports and Panel Layout
| Port / Indicator | Unit | Function |
| HDMI IN | Encoder | Connect HDMI source device |
| LINK LED | Encoder | Green LED turns on when Encoder is connected to an HDMI signal source |
| CAT OUT | Encoder | Connect to Decoder CAT IN or to switch / router / hub |
| DC 5V | Encoder | Connect DC 5V power adapter |
| PWR LED | Encoder | Green LED turns on when Encoder is powered |
| HDMI OUT | Decoder | Connect HDMI display |
| LINK LED | Decoder | Green LED turns on when Decoder is connected to HDMI display device |
| CAT IN | Decoder | Connect to Encoder CAT OUT or to switch / router / hub |
| DC 5V | Decoder | Connect DC 5V power adapter |
| PWR LED | Decoder | Green LED turns on when Decoder is powered |
Step-by-Step Setup — Direct Encoder to Decoder
- Connect the HDMI source device to HDMI IN on the Encoder.
Examples include a DVD player, Blu-ray player, cable box, media player, DVR, NVR, laptop, or PC. - Connect CAT OUT on the Encoder to CAT IN on the Decoder using CAT5e / CAT6 cable.
- Connect HDMI OUT on the Decoder to the TV, monitor, projector, or display.
- Connect DC 5V/1A power to the Encoder.
- Connect DC 5V/1A power to the Decoder.
- Power on the HDMI source and display.
- Check the PWR LEDs and LINK LEDs.
- Test video output on the display.
Step-by-Step Setup — One Encoder to Multiple Decoders
- Connect the HDMI source to HDMI IN on the Encoder.
- Connect CAT OUT on the Encoder to a standard 1G network switch using CAT5e / CAT6 cable.
- Connect each Decoder CAT IN to the same 1G switch using CAT5e / CAT6 cable.
- Connect each Decoder HDMI OUT to a display.
- Connect power to the Encoder, Decoders, switch, source, and displays.
- Confirm each display receives the same HDMI source signal.
Important: All Decoders show the same HDMI source. This does not create different independent video outputs.
CAT Cable Requirement — Critical
Use high-quality CAT5e / CAT6 cable.
| Setup | Cable Type | Distance |
| Encoder to Decoder | CAT5e / CAT6 | Up to 150m / 492ft |
| Encoder to switch / switch to Decoder | CAT5e / CAT6 | Use within network design limits |
Poor CAT cable may cause:
- No video
- Black screen
- Decoder not linking
- Signal dropouts
- Poor image stability
- One-to-many distribution issues
Use clean, properly terminated CAT cable for best performance.
HDMI Cable Requirement — Critical
Use good-quality HDMI cables for:
- Source to Encoder HDMI IN
- Decoder HDMI OUT to display
Poor HDMI cables may cause:
- No picture
- Flickering
- Black screen
- No sound
- HDCP handshake issues
- Wrong resolution
For troubleshooting, test the HDMI source directly with the display before using the extender.
Power Requirement — Critical
Both units require DC 5V/1A power.
| Unit | Power |
| Encoder | DC 5V/1A |
| Decoder | DC 5V/1A |
If the PWR LED is off, check the power adapter, outlet, and DC 5V connection.
Understanding the Encoder
The Encoder is installed near the HDMI source.
It has:
- HDMI IN for the source
- CAT OUT for HDMI over IP signal transmission
- DC 5V power input
- LINK LED
- PWR LED
The Encoder receives the HDMI source signal, encodes it using H.265, and sends it over CAT5e / CAT6 cable.
Understanding the Decoder
The Decoder is installed near the display.
It has:
- CAT IN from the Encoder or network switch
- HDMI OUT to the display
- DC 5V power input
- LINK LED
- PWR LED
The Decoder receives the HDMI over IP signal, decodes it, and outputs HDMI to the display.
Understanding One-to-Many Distribution
The EX-330-K can distribute one HDMI source to multiple Decoders through a 1G network switch.
In this setup:
- One Encoder connects to the switch
- Multiple Decoders connect to the same switch
- Each Decoder connects to a display
- All displays show the same HDMI source
This is useful for signage, classrooms, houses of worship, restaurants, and commercial display systems.
Understanding the LINK LEDs
| Unit | LINK LED Meaning |
| Encoder | Green LINK LED turns on when connected to HDMI signal source |
| Decoder | Green LINK LED turns on when connected to HDMI display device |
If the LINK LED does not turn on, check the HDMI source, HDMI display, HDMI cable, and input selection.
Supported Video and Audio
The EX-330-K supports video formats including:
| Supported Video |
| Input up to 1920x1200@60Hz |
| Output up to 1920x1080@60Hz |
| RGB |
| YCbCr 4:4:4 |
| YCbCr 4:2:2 |
| Input color depth: 8 / 10 / 12-bit |
| Output color depth: 8-bit |
Supported audio:
| Audio | Support |
| HDMI Audio | LPCM 2.0CH |
| Sample Rates | 32kHz / 44.1kHz / 48kHz |
Supported Technical Specifications
| Specification | Support |
| Product Type | 1080p HDMI over IP extender |
| HDMI Version | HDMI 1.3 |
| HDCP Version | HDCP 1.4 |
| Video Bandwidth | 148.5MHz |
| Maximum Input Resolution | 1920x1200@60Hz |
| Maximum Output Resolution | 1920x1080@60Hz |
| Compression Technology | H.265 |
| Video Network Bandwidth | 1G |
| Transmission Distance | Up to 150m / 492ft over CAT5e / CAT6 |
| One-to-One Connection | Supported |
| One-to-Many Connection | Supported through 1G switch / router / hub |
| HDMI Audio | LPCM 2.0CH, 32kHz / 44.1kHz / 48kHz |
| Encoder Input | HDMI IN |
| Encoder Output | CAT OUT |
| Decoder Input | CAT IN |
| Decoder Output | HDMI OUT |
| Power Supply | DC 5V/1A |
| Power Consumption | Encoder 1.7W, Decoder 1.2W max |
| Housing | Plastic enclosure |
| Color | Black |
| Dimensions | 90mm x 60mm x 16mm |
| Weight | Encoder 51g, Decoder 52g |
| Operating Temperature | 0°C to 40°C / 32°F to 104°F |
| Storage Temperature | -20°C to 60°C / -4°F to 140°F |
| Relative Humidity | 20–90% RH, non-condensing |
| ESD Protection | ±8kV air-gap, ±4kV contact |
What Source Devices Is the EX-330-K Compatible With?
The EX-330-K is compatible with HDMI source devices such as:
- DVD players
- Blu-ray players
- Cable boxes
- Satellite receivers
- Streaming devices
- Media players
- DVRs
- NVRs
- Laptops with HDMI output
- Desktop PCs with HDMI output
The source must output a supported HDMI resolution.
What Displays Is the EX-330-K Compatible With?
The EX-330-K can connect to HDMI displays such as:
- 1080p TVs
- Monitors
- Projectors
- Commercial displays
- Classroom displays
- Conference room displays
- Digital signage displays
- Restaurant displays
- Retail displays
The display must support the selected HDMI output resolution.
Frequently Asked Questions
Q: What is the OREI EX-330-K used for?
A: The EX-330-K is used to extend one HDMI source to one or multiple HDMI displays over CAT5e / CAT6 cable using HDMI over IP technology.
Q: Does the EX-330-K support 4K?
A: No. It supports up to 1080p@60Hz output.
Q: Does the EX-330-K support 1080p?
A: Yes. It supports up to 1920x1080@60Hz output.
Q: What is the maximum input resolution?
A: The manual lists input resolution up to 1920x1200@60Hz.
Q: What is the maximum output resolution?
A: The manual lists output resolution up to 1920x1080@60Hz.
Q: What HDMI version does it support?
A: It supports HDMI 1.3.
Q: What HDCP version does it support?
A: It supports HDCP 1.4.
Q: What compression technology does it use?
A: It uses H.265 compression technology.
Q: Is this zero latency?
A: No. It uses H.265 compression and is not listed as zero latency.
Q: How far can it extend HDMI?
A: It can extend up to 150m / 492ft between Encoder and Decoder over CAT5e / CAT6 cable.
Q: What CAT cable should I use?
A: Use CAT5e or CAT6 cable.
Q: Can I use it through a network switch?
A: Yes. It supports one Encoder to multiple Decoders through a standard 1G IP switch, router, or hub.
Q: Can I use a 100M switch?
A: It is not recommended. The manual lists 1G video network bandwidth and 1G standard IP switch / router / hub support.
Q: Does the Encoder have HDMI loop out?
A: No. HDMI loop out is not listed for this model.
Q: Does it support IR control?
A: No IR control is listed in the manual for this model.
Q: Does it support one-to-many distribution?
A: Yes. One Encoder can send the same source to multiple Decoders through a 1G switch / router / hub.
Q: Does one-to-many create different video outputs?
A: No. All Decoders receive the same HDMI source.
Q: What audio format is supported?
A: It supports LPCM 2.0CH at 32kHz, 44.1kHz, and 48kHz.
Q: Does it support Dolby or DTS?
A: The manual lists LPCM 2.0CH audio only. For best compatibility, set the source to PCM / Stereo.
Q: Does it need power on both ends?
A: Yes. The Encoder and Decoder each require DC 5V/1A power.
Q: What does the Encoder LINK LED mean?
A: The Encoder LINK LED turns on when the Encoder is connected to an HDMI signal source.
Q: What does the Decoder LINK LED mean?
A: The Decoder LINK LED turns on when the Decoder is connected to an HDMI display device.
Q: What should I do if there is no video?
A: Check both power adapters, HDMI cables, CAT5e / CAT6 cable, source resolution, display input, and whether the LINK LEDs are on.
Q: What should I do if the Decoder does not connect?
A: Check the CAT cable, reduce the cable distance, and use a 1G switch if using one-to-many mode.
Q: What should I do if video is unstable?
A: Use better CAT5e / CAT6 cable, avoid damaged connectors, use a 1G switch, and set the source output to 1080p@60Hz.
Q: What should I do if audio does not work?
A: Set the source audio output to PCM / Stereo and confirm the display supports HDMI audio.
Q: Does the EX-330-K need external power?
A: Yes. Connect DC 5V/1A power to both the Encoder and Decoder.
Comments
0 comments
Please sign in to leave a comment.