Introduction
This 1080P HDMI Extender can extend HDMI video/audio signal up to 100m/328ft over CAT6/6a cable, achieving zero-delay and uncompressed long-distance transmission between the signal source and display device. Video resolution is up to 1080P@60Hz. It supports EDID copy pass-through on source and sink end, along with PoC and KVM extending synchronously. This multi-functional product can be widely applied in scenarios of large-screen demonstration, video conference, multimedia teaching and other occasions.
- Model KA277 is consumer grade products which is suitable for point-to-point usage, not suitable for 24hours/7days usage and complex solution such as working with HDMI Splitter/ Switcher/ Matrix
Features
- Compliant with HDCP 1.4
- Video bandwidth is 4.95Gbps
- Video resolution is up to 1080P@60Hz, 1920×1200@60Hz, as specified in HDMI 1.3
- Transmission distance can be up to 100m/328ft over CAT6/6a cable
- Support KVM transmission
- Support loop out on Transmitter
- Support audio format up to LPCM 2.0CH
- Support zero-delay transmission for video/audio signal
- Support bi-directional PoC function
- Support EDID copy pass-through on source and sink end
Specifications
| Technical | |
| HDMI Compliance | HDMI 1.3 |
| HDCP Compliance | HDCP 1.4 |
| Video Bandwidth | 4.95Gbps |
| Video Resolution | Up to 1080p@60Hz, 1920×1200@60Hz |
| Color Space | RGB_4:4:4, YCbCr_4:4:4, YCbCr_4:2:2 |
| Color Depth | 8-bit |
| Audio Formats | LPCM 2.0CH |
| Transmission
Distance |
100m/328ft for 1080p@60Hz over CAT6/6a cable |
| ESD Protection | IEC 61000-4-2: ±8kV (Air-gap discharge) & ±4kV (Contact discharge) |
| Connection | |
| Transmitter | Input: 1× HDMI IN [Type A, 19-pin female]
1× PC [USB-B, 4-pin female] Output: 1× HDMI OUT [Type A, 19-pin female] 1× CAT OUT [RJ45] |
| Receiver | Input: 1× CAT IN [RJ45]
Output: 1× HDMI OUT [Type A, 19-pin female] 1× Keyboard [USB-A, 4-pin female] 1× Mouse [USB-A, 4-pin female] |
| Mechanical | |
| Housing | Metal Enclosure |
| Color | Black |
| Dimensions | Transmitter / Receiver: 90mm [W] × 68mm [D] × 22mm [H] |
| Operating Temperature | 0°C ~ 40°C / 32°F ~ 104°F |
| Storage Temperature | -20°C ~ 60°C / -4°F ~ 140°F |
| Operating Humidity | 20%~80% relative humidity, non-condensing |
| Storage Humidity | 10%~90% relative humidity, non-condensing |
| Weight | Transmitter: 167g; Receiver: 165g |
| Power Supply | DC 12V/1A |
| Power Consumption | PoC (TX->RX): 9.84W; PoC (RX->TX): 5.88W |
Operation Controls and Functions
Transmitter Panel

| No. | Name | Function Description |
| 1 | CAT OUT | Connects to the CAT IN port on Receiver with CAT cable. |
| 2 | Left LED
(Green) |
HDMI signal indicator.
It will be on when HDMI input signal is detected. |
| 3 | Right LED
(Yellow) |
Connection signal indicator.
▪ When TX and RX are connected and signal is transmitted, the LED will flash quickly. ▪ When TX and RX are connected but no signal is transmitted, the LED will flash slowly. |
| 4 | PC USB
Host port |
USB host port, connected to a PC. |
| 5 | DC 12V | DC 12V/1A power input port, supporting PoC function. |
| 6 | HDMI IN | HDMI signal input port, connected to HDMI source device such as DVD or computer host with HDMI cable. |
| 7 | HDMI OUT | HDMI signal loop output port, connected to an HDMI display device such as TV or monitor with HDMI cable. |
Receiver Panel

| No. | Name | Function Description |
| 1 | CAT IN | Connects to the CAT OUT port on Transmitter with CAT cable. |
| 2 | Left LED
(Green) |
HDMI signal indicator.
It will be on when HDMI input signal is detected. |
| 3 | Right LED
(Yellow) |
Connection signal indicator.
▪ When TX and RX are connected and signal is transmitted, the LED will flash quickly. ▪ When TX and RX are connected but no signal is transmitted, the LED will flash slowly. |
| 4 | Keyboard &
Mouse |
Two USB-A device ports, connected to keyboard and mouse. Note: Please provide power from the Receiver, if a high-power keyboard such as backlit keyboard is connected. |
| 5 | DC 12V | DC 12V/1A power input port, supporting PoC function. |
| 6 | HDMI OUT | HDMI signal output port, connected to an HDMI display device such as TV or monitor with HDMI cable. |
Application Example















