- 230 ft Lightweight Aviation-Grade Cable
- ≈23 ft/s Ascending & Descending Reel Speed
- Lightweight 1 lb Power Module
- Single-Operator Setup in <5 Minutes
- Real-Time Tether Monitoring via V-Assist App
- Compatible with DJI Matrice 4 Series
The Volarious V-Line Pro Tether Kit for the DJI Matrice 4 Series transforms the Matrice 4 into a persistent aerial asset. By feeding continuous power through a lightweight, aviation-grade cable, this tethered drone system keeps critical eyes in the sky for hours while maintaining full payload functionality—perfect for public-safety overwatch, long-duration surveillance, and detailed inspection missions.
Continuous Flight Capability & Mission Endurance
- 230 ft: Lightweight aviation-grade cable height
- ≈23 ft/s: Ascending & descending reel speed with minimal slack
- Uninterrupted power delivery for true “land-when-you-choose” operations
Designed for Rapid Response
- <5 min setup by a single operator
- <44 lb total system weight for easy transport
- Integrated ergonomic handles and intuitive controls
Unified Control & Monitoring
- V-Assist app displays real-time tether health, power status, and environmental data
- Manage all parameters directly from the drone controller
Safety Architecture
- 6-zone thermal monitoring with 9 auto-regulated fans
- Active fault detection with on-unit & on-screen alerts
- Built-in over-current and short-circuit protection
Precision-Engineered Modularity
- Aerospace-grade components throughout
- Swappable modules simplify maintenance and reduce downtime
The Volarious V-Line Pro Tether Kit for the DJI Matrice 4 Series transforms the Matrice 4 into a persistent aerial asset. By feeding continuous power through a lightweight, aviation-grade cable, this tethered drone system keeps critical eyes in the sky for hours while maintaining full payload functionality—perfect for public-safety overwatch, long-duration surveillance, and detailed inspection missions.
Continuous Flight Capability & Mission Endurance
- 230 ft: Lightweight aviation-grade cable height
- ≈23 ft/s: Ascending & descending reel speed with minimal slack
- Uninterrupted power delivery for true “land-when-you-choose” operations
Designed for Rapid Response
- <5 min setup by a single operator
- <44 lb total system weight for easy transport
- Integrated ergonomic handles and intuitive controls
Unified Control & Monitoring
- V-Assist app displays real-time tether health, power status, and environmental data
- Manage all parameters directly from the drone controller
Safety Architecture
- 6-zone thermal monitoring with 9 auto-regulated fans
- Active fault detection with on-unit & on-screen alerts
- Built-in over-current and short-circuit protection
Precision-Engineered Modularity
- Aerospace-grade components throughout
- Swappable modules simplify maintenance and reduce downtime
(1) V-Line Pro
(1) Power Module
(1) Power Module Case
(1) Waterproof Pouch
(1) Quick Reference Handbook
(1) Features Card
(1) Warranty Card
(1) Spare Stickers
(1) Drone Hook & Tools
(1) Power Cord
Volarious V-Line Pro Tether Specifications
V-Line Pro Tethered Reel System
| Dimensions | 18.5 in × 14.4 in × 7.5 in |
| Net Weight | 38.8 lb |
| Input Voltage | 110–120 VAC / 220–240 VAC, 50–60 Hz |
| Input Current | 11 A (110–120 V) / 8 A (220–240 V) |
| Output Voltage | 380 VDC – 410 VDC |
| Max Output Current | 3.5 A |
| Operating Temperature | 14 °F – 122 °F ( -10 °C – 50 °C) |
| Maximum Tether Operating Range | 230 ft (70 m) |
V-Line M4 Power Module (Each)
| Dimensions | 9.1 in × 2.8 in × 2.4 in |
| Net Weight | 1 lb |
| Input Voltage | 380 VDC – 410 VDC |
| Output Voltage | 15.0 VDC – 16.0 VDC |
| Operating Temperature | 14 °F – 122 °F ( -10 °C – 50 °C) |
DJI Matrice 4 Thermal
DJI Matrice 4 Enterprise
What happens if the ground power is cut?
The drone’s onboard batteries immediately take over. If they reach a critical level, the aircraft will initiate an auto-land for a safe recovery.
Is there a manufacturer warranty? How long?
Yes — the V-Line Pro Tether Kit is covered by a 1-year warranty.
How compact is the tether?
The reel system measures 18.5 in × 14.4 in × 7.5 in, weighs 38.8 lb, and can be carried with one hand.
How and where do I view tether-system data?
All key parameters are displayed in real time through the V-Assist app.
Can the tether cable transfer data?
No. The cable is dedicated to delivering continuous power.
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