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Long Range (200km) 8Mbps Data Link for Mapping & Inspection Drones

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Product Description
Yoongwin Situation Awareness Technology Co., Ltd., founded in 2007 in Nanjing Economic and Technological Development Zone with a registered capital of RMB 60.06 million, controls eight medium - sized tech enterprises. Its main business spans thin - film circuits, antenna & feeder products, etc., and it's involved in industrial Internet security and electromagnetic space protection.
As a member of multiple associations, it holds dual - software and ISO2700 info security certifications. With over 100 patents, it was recognized as a Nanjing Gazelle Enterprise from 2020 - 2022, indicating continuous growth.
Product Detail
The 4911 is a high-performance, dual-redundant data link system specifically engineered for MALE (Medium Altitude Long Endurance) and small UAVs. It guarantees reliable Command & Control (C2), telemetry, and high-definition payload data transmission over long distances up to 200km.
Featuring a primary L-band and a backup UHF link, it ensures uninterrupted communication even in complex and contested environments. With its robust anti-jamming capabilities, lightweight airborne terminal (only ~700g), and compliance with rigorous DO-160G and EASA standards, the 4911 is the trusted data link for critical missions in surveying, inspection, emergency response,and defense.
Dual-Redundant Links: Primary L-band and backup UHF link provide failsafe communication, ensuring mission continuity.
Long-Range & High-Bandwidth: Delivers a stable 8 Mbps HD video downlink at a maximum range of 200km (LOS).
Lightweight & Compact: The airborne terminal weighs approximately 700g, minimizing impact on UAV payload and flight time.
Military-Grade Reliability: Certified to DO-160G aviation environmental standards and validated by EASA flight tests.
Anti-Jamming Capability: Designed to maintain a stable link in electromagnetically complex environments.
Rapid Deployment: Ground equipment supports vehicle-mounted fixed installation or quick tripod setup in the field.

Product Name
L/UHF Dual Redundant Data Link System for MALE/Small UAVs
Target UAV
MALE & Small UAVs
Max Range
≥ 200 km (Line-of-Sight)
Communication Frequency
Primary: L-band
Secondary: UHF band

Duplex Mode
Primary: FDD
Secondary: TDD

Data Rate (Downlink)
Primary: 2/4/8 Mbps (Selectable)
Data Rate (Uplink)
Primary/Secondary: 25.6/51.2/102.4 kbps (Selectable)
Weight (Airborne Terminal)
~680 g (Primary) / ~650 g (Secondary)
Key Certifications
DO-160G CNAS Test, EASA Flight Test

The 4911 Data Link System enables beyond-line-of-sight operations for a wide range of professional and demanding applications:

Aerial Surveying & Mapping: Transmit high-resolution aerial imagery and LiDAR data in real-time for efficient terrain modeling and cartography.
Infrastructure Inspection: Perform long-distance, detailed inspections of power lines, pipelines, and wind turbines with live HD video feeds.
Emergency Response & Search and Rescue (SAR): Establish reliable communication for UAVs providing aerial overviews in disaster zones, enabling real-time decision-making.
Border Security & Defense: Conduct extended-range surveillance and reconnaissance missions with secure, anti-jamming command and video links.
Proven Performance: Successfully integrated and tested on platforms including the Robinson R44Ⅱ helicopter and CX8XX UAV models, demonstrating reliability in Western China's complex environments.
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Q: Are you a manufacturer or a trading company?
A: We have been professional antenna manufacturer for 18 years.
Q: Have gps gsm combo antenna 100% assembles well in stock?
A: No, all gps gsm combo antenna will be newly assembled according to your orders including the samples.
Q: Could I use my own LOGO or design on goods?
A: Yes, customized logo and design on mass production are available.
Q: What's the payment term?
A: T/T, AliPay,Paypal,Afterpay,Klarna etc.
Q:What certifications do you have?
A:Certified by FCC, CE, RoHS,ISO available upon request.
Q: Where is your factory located? Can I visit your factory?
A: Factory address: 2nd Floor, Building D4-1, Hongfeng Science and Technology Park, Nanjing Economic and Technological Development Zone, Jiangsu Province.
Just call us, we will pick you up with no delay.
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