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Mini HD-SDI over Fiber Extender with Long transmission capability up to 80 km

China Mini HD-SDI over Fiber Extender with Long transmission capability up to 80 km

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Mini HD-SDI over Fiber Extender with Long transmission capability up to 80 km

MOQ： 1 pair
Price： US$29-US$39
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Payment Terms	T/T,Western Union,MoneyGram,PayPal
Supply Ability	1000/Month
Delivery Time	3-5 working days
Packaging Details	SDI Fiber Extender Standard Carton Packaging
Transmission distance	550m-20Km
Video input/output voltage	Typical:1Vpp, Min 0.5Vpp, Max 1.5Vpp
Video Bits Rate	Max 1.48Gb/s
Power adaptor	5V DC, Type-C Interface
Storage Temperature	-40℃～+80℃
Dimensions (LxWxH)	79 x 27 x 18 mm
Brand Name	E-link
Model Number	LNK-MHD Series
Certification	ISO9001, CE, ROHS, FCC
Place of Origin	China

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Product Specification


Payment Terms	T/T,Western Union,MoneyGram,PayPal	Supply Ability	1000/Month
Delivery Time	3-5 working days	Packaging Details	SDI Fiber Extender Standard Carton Packaging
Transmission distance	550m-20Km	Video input/output voltage	Typical:1Vpp, Min 0.5Vpp, Max 1.5Vpp
Video Bits Rate	Max 1.48Gb/s	Power adaptor	5V DC, Type-C Interface
Storage Temperature	-40℃～+80℃	Dimensions (LxWxH)	79 x 27 x 18 mm
Brand Name	E-link	Model Number	LNK-MHD Series
Certification	ISO9001, CE, ROHS, FCC	Place of Origin	China
High Light	Mini HD-SDI fiber extender ，SDI fiber converter 80km ，HD-SDI long distance extender

Mini HD-SDI over Fiber Extender

Model: SDI Fiber Extender

Overview

The LNK-MHD Series is a professional-grade Mini HD-SDI over Fiber Extender with Long

transmission capability up to 80 km, specifically engineered to enable stable, high-fidelity

transmission of 1-channel HD-SDI video signals (with embedded audio) via fiber optical

cables. As a Mini HD-SDI over Fiber Extender with Long transmission capability up to 80

km, it integrates compact design with long-distance signal transmission performance,

addressing the needs of scenarios requiring both space efficiency and remote HD video

delivery.

This extender system consists of one dedicated transmitter unit and one matching receiver

unit, forming a complete HD-SDI signal transmission link that adheres to HD-SDI industry

standards. The embedded audio function ensures synchronized audio-video transmission,

eliminating issues like latency, frame loss, or sound-video desynchronization—critical for

professional applications where signal consistency is non-negotiable. Its core advantage

lies in the long transmission capability of up to 80 km, which far exceeds short-range fiber

solutions, making it suitable for cross-regional HD video backhaul, such as remote surveillance

signal transmission between cities, or broadcast signal delivery from outdoor live venues to studio

control rooms.

With an ultra-compact form factor, the Mini HD-SDI over Fiber Extender with Long transmission

capability up to 80 km can be easily integrated into other devices or installed in space-constrained

environments—including small surveillance cabinets, portable broadcast terminals, or outdoor

equipment enclosures—without occupying excessive space. It adopts a robust fiber transmission

architecture that effectively resists electromagnetic interference (EMI) and radio frequency interference

(RFI), common in industrial or urban environments, ensuring that HD-SDI signals maintain broadcast-

level quality even over the maximum 80 km distance.

Widely applicable in professional fields such as high-definition security surveillance (e.g., long-range

highway, railway, or border monitoring), and broadcasting (e.g., 中小型电视台 remote signal acquisition,

live event video transmission), this extender provides a cost-effective, reliable solution for long-distance

HD-SDI signal delivery. Its combination of miniaturized design, 80 km long transmission capability, and

stable audio-video synchronization makes it a practical choice for scenarios where remote, high-quality

HD video transmission is essential.

Features

► Each channel includes 8-channel audio embedded

► Automatic cable equalization to ensure signal integrity

► Automatic reclocking 270Mbit/s - 1.48Gbit/s

► Directly compatible with HD-SDI camera systems

► Long transmission capability up to 80 km

► Terminal block power input; Hot swap and hot plug;

► Full digital non-compression broadcast level transmission;

► Super optic dynamic range and free of adjustment;

► Fiber optic WDM/CWDM/DWDM technique;

► industry level ultra-broad temperature range (-20℃~+70℃), adaptable to various environments;

Technical Indexes

Fiber Optical interface
Fiber interface	Simplex LC
Transmission distance	550m-20Km
Wavelength	1310nm/1550nm
Video
Video interface	BNC
Video input/output impedance	75Ω
Video input/output voltage	Typical:1Vpp, Min 0.5Vpp, Max 1.5Vpp
Video Bits Rate	Max 1.48Gb/s
Differential gain (10%～90% APL)	<1%
SDI format support	625/25 PAL
	525/29.97 NTSC, 525/23.98 NTSC
	720p50, 720p59.94
	1080i 23/24/30/50/59.94
Video SDI standard	270Mbps (SD-SDI)
Video SDI standard	1.485Gbps (HD-SDI)
Electrical
Power adaptor	5V DC, Type-C Interface
Power consumption	<3W
LED Indicator
SDI	SDI video
P/T	Power Supply
Mechanical
Dimensions (LxWxH)	79 x 27 x 18 mm
Weight	0.5KG/pair
Casing	Aluminum Case
Mounting Options	Desktop
Environmental
Working Temperature	-20℃～+70℃
Storage Temperature	-40℃～+80℃
Operating humidity	5%~90% non-condensing
Storage humidity	5% ~ 90% non-condensing
MTBF	≥100000 hours

ordering information

Model	Description
LNK-MHD-MM	Mini HD-SDI to Fiber Converter, MMF, LC Fiber Connector 500 meters, including Transmitter and Receiver, used by pairs
LNK-MHD-20	Mini HD-SDI to Fiber Converter, SMF, LC Fiber Connector 20KM, including Transmitter and Receiver, used by pairs

Application

Company Details

Bronze Gleitlager

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from Quality China Factory

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Business Type:

Manufacturer,Exporter 
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Year Established:

2001 
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Total Annual:

>10000000
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Employee Number:

21~200 
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Ecer Certification：

Verified Supplier 

Established in 2001 & headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China. Our main products include: Fiber Media Converters Industrial Ethernet PoE switchs P... Established in 2001 & headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China. Our main products include: Fiber Media Converters Industrial Ethernet PoE switchs P...

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E-link China Technology Co.,LTD
5F, Building D South, Jinshenghui Science Park, No. 3, Dafu Road, Fucheng Street, Guanlan, Longhua District, Shenzhen, China
https://www.industrialpoeswitches.com/

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