1080P Bi-directional 3G-SDI Fiber Converter 40km Audio Embedded for LiveE-link Bi-directional 3G-SDI Fiber Converter
LNK-M3G-BI20 Series Mini-type 3G/HD-SDI Fiber Converter supports 1-Channel Bi-directional 3G/HD-SDI Video (audio embedded) via fiber optical cable. It includes one transmitter and one receiver for 1080P 3G/HD-SDI signal. Handle all Pathological patterns, fully digital non-compression broadcast level transmission.
Overview
The LNK-M3G-BI20 Series represents a compact yet powerful3G-SDI fiber convertersolution engineered for professional video transmission applications. This advancedmini-type fiber optic converterdelivers reliablebi-directional 3G-SDI video transmissionwith embedded audio over single-mode fiber infrastructure, supporting high-quality1080P signal distributionacross extended distances.
This sophisticatedHD-SDI fiber converteroperates as a complete transmission system comprising matched transmitter and receiver units, ensuring end-to-endbroadcast-level signal integrity. The device maintainsfull digital non-compression transmissionwhile effectively handling all pathological test patterns, meeting rigorousbroadcast standards compliancefor critical video applications.
The compact3G-SDI fiber opticdesign makes it particularly suitable for space-constrained installations including broadcast fly-packs, mobile production units, and fixed-rack environments. Its robust construction andplug-and-play operationsimplify integration into existing video infrastructures while maintainingprofessional-grade performancethroughout extended operation periods.
This versatilefiber converterserves multiple industry applications including security and surveillance systems, video conference networks, broadcast facilities, and live event production environments. The unit’s reliablesignal transmission capabilityensures consistent performance across diverse operating conditions, making it an ideal solution for both permanent installations and temporary field deployments.
Multi-Channel Audio Embedding
Each offerirectional channel carries 4 embedded audio tracks, enabling synchronized audio-video transmission through a single fiber link.
3G-SDI Fiber Converter
Automatic Signal Equalization
Built-in cable compensation technology maintains signal integrity for all data rates up to 3.2Gb/s, compatible with Belden 1694A and equivalent coaxial cables.
3G-SDI Fiber Converter
Application
▶ Broadcast & Live Production
Deployed in outside broadcast (OB) vans, sports venues, and live event production, the converter ensures low-latency transmission of 1080P HD-SDI video with 4-channel embedded audio.
▶ Remote Camera & Studio Links
Used for camera-to-control room connectivity The bi-directional capability allows simultaneous video transmission and camera control over a single fiber.
▶ Security & Surveillance Systems
Applied in traffic monitoring, public safety networks, and critical infrastructure protection.
▶ Corporate & Education AV Networks
Ideal for distance learning, conference rooms, and multi-site training facilities.
Why Choose Us
Intelligent Signal Reclocking
Self-adjusting circuitry automatically locks to SDI rates from 270Mbps to 3Gbps, ensuring stable synchronization across varying signal conditions.
Universal Camera Compatibility
Direct interoperability with HD and 3G-SDI camera systems supports seamless integration into existing broadcast and production environments.
Extended Fiber Transmission
Robust optical transmission capability supporting distances up to 80km over single-mode fiber infrastructure.
Hot-Swappable Operation
Modular design supports live plugging and unplugging without system disruption, ensuring continuous operation during maintenance.
3G-SDI Fiber Converter
Technical Indexes
Fiber Optical interface
Fiber interface
Simplex LC
Transmission distance
0-20Km(Other distance available)
Video
Video interface
BNC
Videoinput/output impedance
75Ω
Video input/output voltage
Typical:1Vpp,Min 0.5Vpp, Max 1.5Vpp
Video Bits Rate
Max 3.2Gb/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
1080P 23.98/24/30/50/60
Video SDI standard
270Mbps (SD-SDI), 1.485Gbps/M(HD-SDI)
SMPTE425M3Gb/s Mapping(3G-SDI)
SMPTE424M 3Gb/s serial interface(3G-SDI)
Electrical
Power input
DC 5V, USB-C power port
Power consumption
<5W
LED Indicator
SDI
SDI video
P/T
Power Supply
Mechanical
Dimensions (LxWxH)
73x 44x 17mm
Weight
0.45KG/pair
Casing
Aluminum Case
Mounting Options
Desktop
Environmental
Working Temperature
-20℃～+70℃
Storage Temperature
-40℃～+80℃
Working Humidity
0~95%
MTBF
≥100000 usPaymentWe accept
Please pay ASAP after you submit the order. We will generally ship the goods within 24 hours (Not including legal working days), so the sooner you confirm the payment, the sooner the product will be shipped to youPlease make the payment within 7 days of sale close.If you change your mind after submitting the order (Changed mind or have placed an order elsewhere), please take the initiative to close your order, thank you for your understanding.ShippingUsually Orders processed within 24 hours of payment verification.The order address has to match your Shipping address, please kindly note.Usually Shipping by SpeedPAK(Official logistics), Transportation time about 10 working days.SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.If you have not received the itemafter the estimated arrival date, please contact us. We will track the shipment and get back to you as soon as possible with a reply.Our goal is customer satisfaction!3-7 = -4ReturnWe can be contacted at any time through messages if you have any questions,comments or product requests.
I hope you can send us an email before opening the return, please rest assured that we will solve the problem for you and we hope to solve the problem for you faster.
Returns are accepted within 30 days of item receipt.
Buyer pays return shipping.
We will refund or resend you after we have received the returned item.WarrantyAll the items are double checked before shipment, If item is damaged, defective or missing components upon arrival, please provide us photos of the damaged package or defective item, we will respond you within 24 hours and resolve your issue ASAP.Due to the color of the monitor, the color of the photo may be slightly different from the actual product.All items are manually measured, please allow a certain degree of error.Contact us
Please leave five stars / positive response / positive comment andFive-Stars ★ ★ ★ ★ ★If you are satisfied with our products.
Contact us if you have any question, negative response could not solve anything, Please give us a chance to serve you.
We can be contacted at any time through messages if you have any questions,comments or product requests. We willrespondto you within 24 hours(Not including legal working days)and do our best to help you out! We encourage our customers to contact us with any questions or concerns! We'd like to be sure you are completely satisfied with your purchase.
If you have any problems,please contact us first, please don’t worry, we will definitely handle it for you, please do not directly open a refund or case before contacting us, thank you for your understanding!
