Dji M400 Rtk Tether Drone System with Fiber Optic Support Communication Function and Data Display Function

• Customization: Available
• Supporting Flight Duration: ≥ 24h
• Cable Length: 55m 110m
• Ground Module Input Voltage: 190-240VAC Wide Range Input
• Ground Module Output Voltage: 700~750VDC Adjustable
• Ground Module Output Power: 3500W (Rated Long-Term Output)
• Ground Module Weight: 12.5 ± 0.2kg
• Air Module Input Voltage: 580~810VDC Wide Range Input
• Air Module Output Voltage: 51.8 ± 0.5VDC
• Air Module Output Power: 3000W (Rated Long-Term Output)
• Air Module Weight: 995 ± 10g
• Transport Package: Plastic Hard Case
• Specification: 720× 570× 380± 5mm
• Trademark: Rosefinch
• Origin: Nanjing, China
• Production Capacity: 1000/Year

Product Description

 DJI M400 Rtk Tether Drone System with Fiber Optic Support Communication Function and Data Display Function
     DJI Matrice 400 Tethered Power System ideal for reconnaissance, fire rescue operations, and large-scale event security, the system significantly enhances mission efficiency and endurance. The lightweight design ensures portability for field operations.

1. Typical characteristics
1). Small in size, light weight, backpack storage, easy to carry.
2). The operation is simple, and the entire process of unmanned aerial vehicle takeoff and landing does not require the operation of the tethering box, truly automated cable reel in/out.
3). The air module power supply has a constant voltage output, and the backup battery has no charging or discharging phenomenon throughout the entire process, without losing power or causing hidden damage.

2. Adapted to DJI Matrice 400RTK
1). Support flight altitude: ≥ 100m (equipped with 110m professional tethered cable, including 10m redundant length).
2). Support flight duration: ≥ 24 hours (actual endurance is affected by the structural strength and electrical system durability of the drone).
3). Optional lighting: 800W.

 

3. Functional characteristics
2.1 Lightweight and Portable, Fast deployment
Adopting a lightweight design, it is compact in size, lighter in weight, and can be easily carried by one person. It supports rapid deployment in the field and meets the needs of mobile missions.

2.2 Multiple Protections, Safe and Reliable
Electrical isolation: design with complete separation of AC high voltage and DC low voltage electricity.
Equipped with multiple protection mechanisms such as input overvoltage/undervoltage, output overcurrent/short circuit, etc., automatic fault detection and recovery ensure stable system operation.
Ultra High Voltage Withstand Standard ≥ 3000VDC;
 

2.3 Low Voltage Button to Start AC Input, No Need AC Air Switches, Improve The Safety.

Adopting low-voltage soft starting mode, replacing traditional circuit breaker starting, with ultra-high waterproof rating far superior than air switches, further improving the safety of isolated AC contact use.

2.4 Touch Screen Display 4.3-inch:

Real time display: electrical parameters such as real time power/voltage/current/temperature/cable length/power consumption/running time.
Operating data curve chart: Voltage/current/temperature curve chart. Fault record. Logs storage and read.


2.5 Stable Power Supply and Long-lasting Battery Life
The onboard module provides constant voltage output, that avoids ineffective charging and discharging losses, protect battery lifespan, and always maintain a fully charged standby state during operation.

2.6 Intelligent Winch Automated Control System
 Automatically follow the takeoff and landing of the drone to retract cables.
Fully automated operation process, unmanned aerial vehicle takeoff and landing do not require manual operation throughout the entire process, reducing operational barriers and improving task efficiency.

2.7 Worry-Free Power Cut Off, Intelligent Cable Retraction
Built in backup power supply, it can automatically switch to backup power mode in case of sudden power outage, completing emergency wire retraction and avoiding the risk of cable entanglement.
 

2.8 Intelligent Communication Management System 

Wired communication between GCS and ground power station: USB Type-C or RJ45 high-speed transmission.
Wireless communication between GCS and ground power station: Bluetooth 5.0 low-power connection.
Optic fiber wired communication between GCS and drone: Optic fiber. Achieve fast data transmission.

4.Parameters

Items		Technical parameters
Model		TPS55M-M400 Ver. 1.0	TPS110M-M400 Ver. 1.0
Cable length		55M	110M
Ambient temperature		-20~45ºC (working),-40~65ºC (storage)
Relative humidity		10~80%RH (working),5~90%RH (storage)
Altitude		≤3000m
Ground power module	Input voltage	190~240Vac wide range input, single-phase 220Vac,frequency 50/60Hz
	Output voltage	700~750Vdc adjustable
	Output power	≥3500W (Rated Long-Time Output),≥3850W (peak value≮30s)
	Take-up and payoff speed	0~2m/s, adjustable
	take-up and payoff tension	0~15N, adjustable
	Interface	Input: Lingke LP20-3P; Output: Lingke LP12 aviation plug,Type-C or RJ45 wired communication, fiber optic FC port (optional)
	Button and switch	AC switch, front lighting switch, backup battery switch
	Protection level	IPx5 (Level 5 Waterproof grade)
	Backup battery for retract cable	Nominal 14.4V, fully charged 16.8V, 3000mAh 108*76*25.2mm, 346±6g
	Size	D360*W186*H268 ±0.5mm, excluding foot pads and external accessories
	Weight	12.5 ±0.2kg, including 100m cable
Cable	Material	Alloy lightweight high-temperature resistant aviation wire, composite fluoroplastic insulation layer, high modulus tensile aviation grade fiber woven layer
	Fiber optic communication	The tethered cable is an optoelectronic composite cable containing tightly wrapped single-mode fiber with optional fiber optic communication.
	Current	5A
	DC resistance	7.4±0.2Ω, 100m@20ºCloop
	Resistance Tensile strength	≥60kg, resistant to repeated reaction and release times≥1000
	Insulation strength	≥3000Vdc, 1min, no breakdown
	Cable length	Standard equipment 110m, optional 55m; Fiber optic with FC connector (optional).
	Outer diameter	3.2±0.1mm
	Weight	17.5±1g/m
Air module	Input voltage	580~810Vdc wide range input
	Output voltage	51.8 ± 0.5Vdc, constant voltage output
	Output power	3000W (rated long-term output), 2500W (peak value ≤ 10s)
	Protection function	Input overvoltage and undervoltage protection Output overvoltage, overcurrent, short circuit, and over temperature protection
	Isolation voltage	3000V (Vin-Vout), 1min, leakage current ≤ 5mA, no breakdown, flashover, or corona phenomenon
	Installation method	Quick dismantling track mount under the drone
	Heat dissipation method	External fan for active cooling, reserved air ducts for forced air cooling
	Interface	Input LP12-3P, output LP12 for lighting
	Protection level	IP55
	Size	Maximum outline size: 160*94*49 ±0.5mm, excluding sliders and connectors
	Weight	995 ± 10g, excluding sliders, external connectors, and wires
Lighting	Input voltage	750V
	Lamp group power	400±30W*2 pcs
	Luminous Flux	100000Lm
	Center Illuminance	100Lux@30m
	Installation method	Quick lock buckle
	Outline dimension	360*46*25mm (individual)
	Weight of lamp assembly	280g*2 pcs
Packing	Size	720×570×380±5mm (Plastic Hard Size)
	Weight	23.0±0.5kg	24.0±0.5kg

Rosefinch Technology is the leading manufacturer of drone tethering power station.
Rosefinch mainly engages in the R&D, production, sales of AC-DC, DC-DC high-frequency switching power modular and the drone tether power system.The system is compatible for all multi rotor drones with MTOW 3-110kg.

These products are used and deployed by armed forces, law enforcement, civil security, and private security in over 20 countries for event protection, perimeter surveillance, border protection, radio communications, long-duration health monitoring, emergency communication, traffic management, environment inspections, scientific research and many more.

We have always adhered to independent research and development of core technologies. The air module adopts a output voltage stabilizing circuit scheme, with a wide range of input and constant voltage output, which is different from the commonly used Vicor power supply unstable voltage scheme on the market. It can ensure that the backup battery in parallel with it has no charging or discharging phenomenon, no battery capacity loss, and is only used as backup battery for landing, achieving true long-term tethering flight without battery capacity loss; The automatic cable reel in & out control adopts a difference between the reel out tension and reel in tension, and an adaptive torque transformation scheme, chieving true automatic tether cable reel in & out function without human intervention.
Certificate
Our products are qualified by CNAS and other third party testing, and also got the CE certificate from UDEM(LVD+EMC).

For drone tethered power system,you can choose several types from below form:
1.DJI Mavic 3 Tethered Power System
2.DJI M30 Tethered Power System
3.DJI M350 Tethered Power System V1&V2&V3
4.DJI Flycart30 Tether power system
5.DJI DJI Matrice 400 Tether power system V1
6.600W Universal Tethered Power System
7.2000W Universal Tethered Power System
8.3000W Universal Tethered Power System V1&V2&V3
9.6000W Universal Tethered Power System V2&V3
10.12000W Universal Tethered Power Supply System
11.18000W Universal Tethered Power Supply System