---
product_id: 230688076
title: "4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio"
brand: "elenzk"
price: "€ 377.54"
currency: EUR
in_stock: true
url: https://www.desertcart.de/products/230688076-4k-hdmi-fiber-optic-extender-20km-range-supports-rs232-external
store_origin: DE
region: Germany
---

# 20km (12.5 miles) uncompressed range 4K@60Hz Ultra HD clarity RS232 remote device control 4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio

**Brand:** elenzk
**Price:** € 377.54
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your AV game with ultra-long-range 4K clarity!

## Quick Answers

- **What is this?** 4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio by elenzk
- **How much does it cost?** € 377.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/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

- • **Compact Rugged Design:** Miniature aluminum build (2.87 x 1.73 x 0.69in) fits effortlessly into any workspace.
- • **Long-Distance Mastery:** Transmit uncompressed HDMI signals seamlessly up to 20km without lag or loss.
- • **Crystal-Clear 4K Ultra HD:** Experience stunning 4K*2K@60Hz visuals with flawless backward compatibility.
- • **Seamless RS232 Integration:** Control serial devices remotely with built-in RS232 support for professional setups.
- • **Synchronized Audio-Visual Excellence:** External 3.5mm stereo audio ensures perfect audio-video harmony every time.

## Overview

The Elenzk4K HDMI Fiber Optic Extender delivers ultra HD 4K@60Hz video over an impressive 20km range with zero compression or delay. Featuring RS232 serial control and external stereo audio support, this compact, rugged aluminum device is engineered for seamless, professional-grade AV transmission and remote device management.

## 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 |
|---------------|-------|
| Finish | Hdmi |
| Color | 4K HDMI Video+Audio+RS232 Fiber Converter |
| Compatible Devices | 庭影院 |
| Connector Type Used on Cable | HDMI |
| Current Rating | 1.5 Amps |
| Number of Ports | 1 |
| Power Plug | No Plug |
| Input Voltage | 5 Volts |
| Item Weight | 129 Grams |
| Number of Items | 1 |
| Package Quantity | 1 |
| Item Dimensions | 2.83 x 0.87 x 1.65 inches |
| Unit Count | 1.0 Count |

## Product Details

- **Connector Type:** HDMI
- **Color:** 4K HDMI Video+Audio+RS232 Fiber Converter
- **Item dimensions L x W x H:** 2.83 x 0.87 x 1.65 inches
- **Brand:** Elenzk
- **Finish Type:** Hdmi

## Images

![4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio - Image 1](https://m.media-amazon.com/images/I/510VHMRXGgL.jpg)
![4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio - Image 2](https://m.media-amazon.com/images/I/61hjVKWDPJL.jpg)
![4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio - Image 3](https://m.media-amazon.com/images/I/51if0NATsPL.jpg)
![4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio - Image 4](https://m.media-amazon.com/images/I/61hGsrBEHeL.jpg)
![4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio - Image 5](https://m.media-amazon.com/images/I/61RdlH0KRAL.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

- Elenzk 4K HDMI Fiber Optic Extender, 20km Range, Supports RS232, External Stereo Audio
- OREI HDMI Splitter 1 in 2 Out - For TV Mirror Only - Not for Multi Monitors, No HDCP bypass, USB Powered, No Adapter Included,1080P@60Hz & 4K@30Hz Resolutions – HDMI Splitter (HD-102)
- OREI UltraHD 4K @ 60 Hz 1 X 4 HDMI Splitter 1 in 4 Out 4 Port 4: 8-Bit - HDMI 2.0, HDCP 2.0, 18 Gbps, EDID, Duplicate / Mirror 4K Screens - UHDS-104

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.de/products/230688076-4k-hdmi-fiber-optic-extender-20km-range-supports-rs232-external](https://www.desertcart.de/products/230688076-4k-hdmi-fiber-optic-extender-20km-range-supports-rs232-external)

---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-01-24*