---
product_id: 230688076
title: "4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio"
brand: "elenzk"
price: "€ 355.23"
currency: EUR
in_stock: true
category: "Elenzk"
url: https://www.desertcart.it/products/230688076-4k-hdmi-fiber-optic-extender-20km-range-supports-rs232-external
store_origin: IT
region: Italy
---

# 20km fiber optic range 4K@60Hz Ultra HD clarity RS232 remote control support 4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio

**Brand:** elenzk
**Price:** € 355.23
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your AV game with ultra-long-range 4K fiber optic power!

## Quick Answers

- **What is this?** 4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio by elenzk
- **How much does it cost?** € 355.23 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/230688076-4k-hdmi-fiber-optic-extender-20km-range-supports-rs232-external)

## Best For

- elenzk enthusiasts

## Why This Product

- Trusted elenzk brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Epic 20km Reach:** Extend your HDMI signals effortlessly over a single fiber optic cable up to 20 kilometers.
- • **Seamless RS232 Control:** Manage serial devices remotely with integrated backward-compatible RS232 support.
- • **Compact & Rugged Design:** Miniature aluminum build ensures easy installation and durability in any setup.
- • **Crystal-Clear 4K Visuals:** Experience stunning 4K*2K@60Hz resolution with zero compromise on quality.
- • **Synchronized Audio-Video:** Enjoy flawless external stereo audio transmission alongside your video feed.

## Overview

This 4K HDMI Fiber Optic Extender delivers uncompressed, zero-latency HDMI video and stereo audio transmission up to 20km via a single fiber cable. Supporting 4K*2K@60Hz resolution and RS232 remote control, its compact aluminum design ensures professional-grade performance and easy installation for high-demand AV environments.

## Description

Overview:The Mini-Type HDMI Fiber optic extender provides extension of HDMI signals, audio and RS232 via single fiber optic cable, high resolution up to 4k*2k@60Hz, which can be used for a wide range of applications requiring long distance stable transmission of high resolution real time video.Features:-- Transmits HDMI video signals, audio and RS232 up to 20km over a single fiber optic cable-- Uncompressed transmission, no delay, no losses-- Support external stereo audio and serial RS232 signal transmission-- Support video resolution up to 4k*2k@60Hz, YUV 4:2:0-- Hot-Pluggable, EMI/RFI Resistant-- Compliance with HDMI 1.4a and HDCP 1.2 standard-- High compatibility, can auto-match source and display device-- Support EDID, DDC and HPDT signalSpecifications:Connector: Female HDMI type AAudio Interface: 3.5MM external stereo audioFiber Connector: SFP/LCRS232: 3 Pin terminal, Baud rate ≤ 38400Power Input: 5V DC, USB Type-CBandwidth: 10.2GbpsHDMI Cable Range: <5 MetersTransmission Distance: Up to 20km (Over Single-mode Fiber)Power Dissipation: <5WSignal Support: HDMI 1.4a HDMI format standard and HDCP compliantAudio Support: Dolby TrueHD, Dolby Digital Plus, DTS, DTS-ES 6.1, DTSHD, DTS-HD-HRA, DTS-HD Master, (PCM-2CH)Video Support: Up to 720P/960P/1080p@60Hz, 4K*2K@60HzChroma Subsampling: Max 3840*2160@60Hz (4:2:0)Max 3840*2160@30Hz (4:4:4, 4:2:2)EDID: Bi-Directional (Forward + Backward) Transmission: Support Dynamic EDID, Plug & Play, no need to learnSingle-Directional (Forward) Transmission: Support EDID learning manuallyDimensions (LxWxH): 2.87 x 1.73 x 0.69in (73x44x17mm)Weight: 60g / 0.13 lbOperating Temperature: -10~50°C

## Features

- 【Ultra HD 4K Resolution】- This HDMI optical transceiver supports up to 4K*2K@60Hz resolution, compatible backwards with lower resolution.
- 【Support Backward RS232】- The HDMI fiber extender support serial RS232 signal, you can control the RS232 serial devices from remote side.
- 【Support External Stereo Audio】- The HDMI Extender is designed with 3.5mm external stereo audio, audio and video synchronous transmission.
- 【Uncompressed Transmission】- HDMI to fiber converter can transmit the uncompressed signals up to 12.5 Miles with no delay and no loss.
- 【Mini Size 2.87 x 1.73 x 0.69in】- The 4K HDMI fiber extender has miniature form factor for ease of use and installation, adopts rugged aluminum material.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07V3JL2GM |
| Best Sellers Rank | #416,596 in Electronics ( See Top 100 in Electronics ) #536 in Remote Control Extenders |
| Customer Reviews | 5.0 5.0 out of 5 stars (3) |
| Date First Available | July 11, 2019 |
| Item Weight | 4.6 ounces |
| Item model number | EK-Mini HDMI |
| Manufacturer | Elenzk |
| Product Dimensions | 2.83 x 0.87 x 1.65 inches |

## Product Details

- **Brand:** Elenzk
- **Color:** 4K HDMI Video+Audio+RS232 Fiber Converter
- **Compatible Devices:** Desktop, Digital Camera
- **Connector Type:** HDMI
- **Item dimensions L x W x H:** 2.83 x 0.87 x 1.65 inches

## Images

![4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio - Image 1](https://m.media-amazon.com/images/I/510VHMRXGgL.jpg)

## Questions & Answers

**Q: Is the hdmi extender support 4k@60hz on 4:2:0 display?**
A: Yes, the mini 4K HDMI fiber extender support 60hz on 4:2:0.

**Q: What fiber cable the converter need?**
A: The DVI fiber converter use single-mode fiber cable, connector is simplex LC.

**Q: Can you do next air to Puerto Rico?**
A: Hi, the product is fullfilled by Amazon, if it says can't delivery to your area, then it can't ship to Puerto Rico.

**Q: What Fiber Optic Connector does this unit use?**
A: Single mode dual LC

## Frequently Bought Together

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-02-27*