5655-5775MHz 5.7GHz 2T2R drone video data radio link

Table of Contents
Overview
This is a self-developed, miniaturized TDD (Time Division Duplex) bidirectional wireless video transmission device, designed for high-performance, real-time video communication in challenging environments. The device integrates advanced technologies including real-time interference detection, adaptive frequency selection, dynamic stream adjustment, automatic retransmission, and automatic power control. These features collectively enhance its anti-multipath and anti-interference capabilities, ensuring highly reliable and stable transmission with minimal latency.
Engineered for versatile field applications, this device is ideal for firefighting, industrial inspection, security monitoring, and other mission-critical scenarios. Under optimal conditions, it can achieve a transmission range exceeding 15 km (default 2-watts power amplifier). Its compact design, robust performance, and low-delay operation make it a perfect solution for professional users who demand dependable wireless video links in complex and high-interference environments.
Feature
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Long-Distance Transmission: Capable of transmitting 4 Mbps streams over distances exceeding 15 km under optimal conditions, ensuring reliable long-range connectivity.
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High-Bandwidth Support: Supports up to 23.9 Mbps at 20 MHz bandwidth, enabling smooth high-definition video and data transmission.
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Automatic Relay Transmission: Supports automatic trunk extension, allowing seamless multi-hop relay to expand coverage in complex environments.
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Multi-Interface Design: Equipped with a single Ethernet port and two serial ports, supporting RS232, TTL, and SBUS interfaces for versatile integration with various systems.
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Intelligent Frequency Management: Automatically detects interference signals and dynamically selects the optimal frequency channel for stable and uninterrupted transmission.
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Automatic Retransmission: Burst error data is automatically retransmitted, enhancing data integrity and reliability in challenging conditions.
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Adaptive Stream Adjustment: Channel modulation is automatically adjusted in real-time according to signal quality, optimizing transmission efficiency.
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Automatic Power Control: Transmission power is automatically adjusted for close-range operations, reducing power consumption without compromising performance.
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Automatic Antenna Selection: Selects the optimal antenna based on real-time occlusion and environmental conditions to maintain the best signal quality.
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Dynamic Upstream/Downstream Allocation: Bandwidth ratio is automatically adjusted based on real-time data volume, maximizing network efficiency.
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Multi-Device Coexistence: Supports simultaneous operation of up to six devices on the same fixed frequency without interference.
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Frequency Matching & Alignment: Offers both software-based configuration and hardware key alignment for precise frequency synchronization across multiple devices.
Specification
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Equipment Type: compact miniaturized TDD bidirectional wireless video transmission device
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Operating Frequency: 5655 – 5775 MHz
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RF Configuration: 2T2R (2 Transmitters, 2 Receivers)
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Transmission Power: 30 dBm (1 W)
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Maximum Transmission Range: >15 km (Air-to-Ground, Line-of-Sight)
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Channel Bandwidth: 10 MHz / 20 MHz selectable
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Modulation Modes: QPSK, 16QAM, dynamically adjustable based on signal quality
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Maximum Data Rate: 23.9 Mbps @ 20 MHz
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Encryption: AES-256 for secure and reliable communication
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Transmission Delay: ≤10 ms, suitable for real-time video applications
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RF Interface: 2 × SMA connectors
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Device Interfaces:
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1 × Ethernet port
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1 × TTL/RS232 port
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1 × TTL/RS232/SBUS port
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Power Consumption:
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Air Unit: ≤25 W @ 4 Mbps
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Ground Unit: ≤10 W @ 1 Mbps
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Physical Dimensions (L × W × H): 98.5 × 65.5 × 27 mm
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Weight: 198 g
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Operating Voltage: DC 9–26 V (Typical: +12 V @ 3 A)
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Operating Temperature: -40 °C to +70 °C, ensuring reliable performance in harsh environments
Additional Notes:
This device combines high transmission speed, low latency, and advanced encryption in a compact form factor. Its wide operating temperature range and low power consumption make it suitable for demanding applications such as UAVs, firefighting, inspection, and security monitoring.
| Table 2 MCS and total throughput (10/20MHz bandwidth) | |||
| No | MCS | 10M Total throughput(Mbps) | 20M Total throughput (Mbps) |
| 1 | BPSK1/3 | nonsupport | 3.5 |
| 2 | BPSK1/2 | nonsupport | 4.8 |
| 3 | BPSK2/3 | nonsupport | 5.9 |
| 4 | BPSK3/4 | nonsupport | 6.8 |
| 5 | QPSK1/3 | 4.0 | 7.0 |
| 6 | QPSK1/2 | 5.8 | 9.7 |
| 7 | QPSK2/3 | 7.1 | 11.9 |
| 8 | QPSK3/4 | 8.1 | 13.7 |
| 9 | 16QAM1/3 | 8.0 | 11.7 |
| 10 | 16QAM1/2 | 11.6 | 16.9 |
| 11 | 16QAM2/3 | 14.2 | 20.8 |
| 12 | 16QAM3/4 | 16.4 | 23.9 |
Customizable Options
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Operating Frequency Range: Frequency band can be customized to meet regional regulations or specific application requirements.
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Transmission Power: Adjustable RF output power to balance transmission distance and power consumption.
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Channel Bandwidth: Support for custom channel bandwidths beyond standard 10/20 MHz to optimize throughput.
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Modulation Modes: Additional modulation schemes can be added or pre-set to meet specific signal quality and distance requirements.
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Encryption Methods: AES-256 is standard; other encryption protocols can be implemented for higher security or compliance.
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Interfaces: Customizable device interfaces including additional Ethernet ports, serial ports, or specific protocols (RS232, TTL, SBUS).
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Antenna Options: Selection of different antenna types (omnidirectional, directional, blade, or high-gain) to suit application scenarios.
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Automatic Features: Adjustments to adaptive stream, automatic relay, power control, antenna selection, or frequency selection algorithms.
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Data Rate and Latency: Custom settings for maximum speed and transmission delay to suit mission-critical applications.
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Firmware Customization: Specialized firmware for auto-retransmission, multi-device coexistence, dynamic bandwidth allocation, or software-controlled features.
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Form Factor & Weight: Compact or ruggedized casing options for drones, vehicles, or field equipment.
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Power Supply: Support for various working voltages or power-saving modes.
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Environmental Protection: Options for extended temperature ranges, waterproofing, or shock resistance for harsh environments.
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Relay / Multi-hop Support: Customizable settings for multi-hop or mesh relay to extend coverage.
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Device Pairing & Frequency Matching: Hardware or software-assisted frequency alignment for multiple units.
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LED Indicators & Controls: Custom user interface, indicators, or control buttons for monitoring and operation.
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Compliance & Certification: Customized compliance with specific industry or regional standards (FCC, CE, etc.).
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Mounting Options: Custom brackets, mounts, or integration kits for UAVs, vehicles, or stationary setups.
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Transmission Mode: TDD/FDD mode adjustments depending on application needs.
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Software & Web Interface: Customizable control software or web UI features for remote monitoring and management.
Application Scenarios
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UAV / Drone Video Transmission:
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Real-time HD video streaming from drones to ground control stations.
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Supports long-range missions (>15 km LOS) for surveying, mapping, and inspection.
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Enables multiple drones to operate simultaneously on the same frequency with minimal interference.
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Aerial Surveillance and Security Monitoring:
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Public safety operations such as border patrol, traffic monitoring, and crowd management.
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Supports high-security video transmission with AES-256 encryption.
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Firefighting and Emergency Response:
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Provides real-time aerial views during firefighting, rescue, or disaster management operations.
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Helps command centers make informed decisions quickly with low-latency video.
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Industrial Inspection:
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Infrastructure inspection for pipelines, power lines, and oil & gas facilities.
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Enables remote monitoring of hard-to-access or hazardous areas.
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Environmental Monitoring:
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Wildlife monitoring, forest surveys, and agricultural inspection.
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Long-range wireless transmission reduces the need for physical presence in remote areas.
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Law Enforcement and Tactical Operations:
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Supports tactical UAV operations with real-time video feed for reconnaissance.
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Multi-device coexistence ensures multiple units can work simultaneously without signal conflict.
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Media and Filmmaking:
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Captures live aerial footage with low delay for professional broadcasting or cinematic applications.
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Research & Scientific Applications:
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Aerial data collection for geological surveys, oceanography, or meteorology.
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Ensures high reliability and low latency for real-time observation and analysis.
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Key Advantages in UAV Applications:
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Low-latency transmission (≤10 ms) ensures real-time control and monitoring.
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Adaptive stream, automatic retransmission, and power control maximize signal stability even in complex environments.
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Compact, lightweight design (198 g) is ideal for drone payload integration.
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Long-range capability (>15 km) allows extended mission coverage.




iVcan.com –
I’ve been using the 5655–5775 MHz 2T2R drone video data link on multiple UAV platforms, and it’s outstanding. The real-time HD video transmission is smooth, with extremely low latency (≤10 ms), even in complex environments. Features like adaptive stream adjustment, automatic retransmission, and intelligent frequency management make the connection highly reliable. Its compact design and lightweight 198 g form factor make integration seamless, while AES-256 encryption ensures secure video transmission. Perfect for industrial inspection, firefighting, and professional drone operations, this radio link has exceeded my expectations in stability, range, and overall performance.