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The 30KM FPV Optical Fiber is a tethered video and data transmission system designed for multirotor FPV operations. Instead of relying on radio frequency (RF) links, the system transmits video and control signals through a 0.26 mm diameter optical fiber tether, reducing susceptibility to RF interference and signal jamming. The system comprises a fiber optic reel with 30,100 m of G657A2 single-mode fiber, a sky-end transmitter module, and a ground-end receiver module (Opticallink GBD-MAX). The reel weighs 2.3 kg and is rated for fiber tension above 50 N. This product does not include a drone or a battery. The ground module requires an NP-F960, NP-F970, NP-F980, or NP-F990T battery, sold separately.
The reel houses 30,100 m of G657A2 single-mode optical fiber with a diameter of 0.26 mm. The fiber is rated for tension above 50 N and has a light attenuation of 2 dB or less at 1550 nm and 3 dB or less at 1310 nm. The reel exterior dimensions are 133 mm × 484 mm, and the total weight is 2.3 kg. The fiber material is resin/PVC. A caution note specifies that the first 200 m of fiber should be deployed slowly.
The ground-end module is housed in an aluminum alloy shell measuring 123 mm × 56 mm × 31 mm and weighing 186 g ± 2 g. It features an FC optical fiber interface, a GH1.25 data interface, and supports single-mode single-fiber operation. Video output supports NTSC, PAL, and SECAM formats. The module is powered by an NP-F series battery (not included) or an external XT60 3-6S power supply.
The sky-end module connects to the flight controller and transmits video and data through the fiber tether. It features LED indicators for power, fiber link, video signal, and data signal status. The module is designed for integration with standard FPV flight controllers supporting S.BUS input, enabling bidirectional control data transmission alongside analog video.
Item | Parameter |
Fiber length | 30100m |
Weight | 2.3kg |
Exterior Dimensions | 133mm×484mm |
Fiber Material | Resin/PVC |
Fiber model | G657A2 |
Tension | > 50N |
Light decay value | 1550nm ≤2dB, 1310nm ≤3dB |
Item | Parameter |
Product name | Fiber optic images and data GBD |
Shell material | aluminum alloy |
Body size | 123mm×56mm×31mm |
Body weight | 186g+2g |
Optical Fiber interface | FC interface |
Fiber type | Single mode - Single Fiber |
Data interface | GH1.25 |
Video format | NTSC/PAL/SECAM |
Data direction | bidirectional |
Speed | 0-1Mbps |
Wavelength single mode | 1310(9/125um)+1550 |
Transmission distance | single mode Fiber 0-60km |
Before deployment, remove the transport protection cable ties and four protective clips from the fiber reel. Cut the cable ties and remove the carbon fiber retaining rod. Remove the protective cover from the FC optical fiber port on the flight controller, then connect the fiber connector to the FC port on the ground module. Align the positioning features on the connectors and tighten securely. Clean the fiber connector with a fiber-optic cleaning pen before use. If optical attenuation exceeds -15 dBm, operation is not recommended. The first 200 m of fiber should be paid out slowly to prevent damage. Following these steps supports reliable link establishment and reduces the risk of fiber breakage during field deployment.
The fiber optic tether system is suited for operations where RF links may be unreliable or subject to interference, including industrial inspection in electromagnetically dense environments, infrastructure monitoring, search and rescue operations, and security surveillance. The 30 km fiber range supports extended-line-of-sight operations beyond typical RF control distances. Defense and industrial clients can integrate the system with compatible multirotor FPV platforms to establish a tethered video and control link in contested electromagnetic environments.
Before deployment, remove the transport protection cable ties and four protective clips from the fiber reel. Cut the cable ties and remove the carbon fiber retaining rod. Remove the protective cover from the FC optical fiber port on the flight controller, then connect the fiber connector to the FC port on the ground module. Align the positioning features on the connectors and tighten securely. Clean the fiber connector with a fiber-optic cleaning pen before use. If optical attenuation exceeds -15 dBm, operation is not recommended. The first 200 m of fiber should be paid out slowly to prevent damage.
The fiber optic tether system is suited for operations where RF links may be unreliable or subject to interference, including industrial inspection in electromagnetically dense environments, infrastructure monitoring, search and rescue operations, and security surveillance. The 30 km fiber range supports extended-line-of-sight operations beyond typical RF control distances.
No. The ground-end module requires an NP-F960, NP-F970, NP-F980, or NP-F990T battery, which must be purchased separately. Alternatively, the module can be powered via an external XT60 3-6S supply.
The system transmits analog video in NTSC, PAL, or SECAM format. It is an analog video transmission system, and video quality depends on the connected analog camera. The system does not perform digital video encoding.
The included fiber reel contains 30,100 m (30.1 km) of G657A2 single-mode fiber. The ground-end module supports transmission distances up to 60 km over compatible single-mode fiber, meaning the module can accommodate longer fiber reels if required by the operational setup.
