VDLINK SN40 TDD Bi-directional Video/Data Transmission System

VDLINK SN40 TDD video/data transmission system is a cutting-edge, self-developed TDD bidirectional video and data transmission device. It boasts advanced features such as real-time interference detection, adaptive frequency selection, adaptive streaming, automatic retransmission, and automatic power control. These features significantly enhance the device's ability to resist multipath interference and jamming, ensuring high reliability, excellent stability, and low latency.
This versatile product is ideal for a wide range of applications, including firefighting, inspection, and monitoring. Under optimal conditions with clear air-to-ground visibility, VDLINK SN40 TDD video/data transmission system can achieve a transmission distance of over 40KM.

Key Features
· Long-Distance Transmission: Capable of transmitting over 40km with a 4Mbps stream in line-of-sight conditions.
· High-Bandwidth Transmission: Maximum capacity of 17Mbps @ 10MHz bandwidth.
· Automatic Relay Transmission: Automatically joins relay networks.
· Multi-Interface Design: Equipped with dual Ethernet ports and four serial ports, supporting RS232/TTL/RS422/SBUS.
· Automatic Frequency Selection: Automatically detects interference signals and selects the optimal frequency point in real-time.
· Automatic Retransmission: Automatically retransmits erroneous data bursts, enhancing data reliability.
· Adaptive Bitrate: Automatically adjusts channel modulation based on real-time signal quality.
· Automatic Power Control: Automatically adjusts transmission power for short distances to reduce power consumption.
· Automatic Antenna Selection: Selects the optimal antenna for transmission based on real-time blockage conditions.
· Dynamic Uplink/Downlink Allocation: Automatically allocates uplink and downlink bandwidth ratios based on actual data volume.
· Multi-System Coexistence: Up to six devices can operate simultaneously on fixed frequencies.
· Frequency Matching: Frequency matching is achievable via software configuration or hardware buttons.

Your Purchase Includes:

Standard Version
2x VDLINK SN40 Video/Data Module
2x J30J-25pin
2x 2.5dBi Small Fiberglass Antenna
2x Small Antenna Extension Cable
1x 6dBi/9dBi Fiberglass Antenna
1x Fiberglass Antenna Extension Cable
1x 1.4G Directional Antenna
1x Directional Antenna Extension Cable
2x Antenna Stand

Airlink Integrated Version
1x Airlink ground station
4x Lemo wiring
2x 6dBi Medium White Antenna
1x Bracket + Clip
1x SN40 Air Unit
2x 2dBi Small Fiberglass Antenna (1350～1470MHz)
2x 1m Small Antenna Extension Cable
1x 30cm J30J Small Antenna Extension Cable
1x XT30 to XT60 Power Cable

AirLink-II
1x AirLink-II Ground Station
1x Lemo-4PIN External Power Cord
1x Lemo-26PIN Data Cable
1x 1350-1470MHz 6dBi Fiberglass antenna
1x Mounting Bracket+Square clip
1x 4S Battery Pack (Optional)