Fiber-fed · Clean signal · Kilometer-scale coverage · Zero self-oscillation — the reliable choice for complex projects
A fiber optic repeater consists of a master unit (donor side) and remote units (coverage side): the master unit couples RF signal from the base station and converts it to optical; fiber carries the optical signal to remote units, which convert it back to RF for antenna-based coverage of target areas.
Compared with wireless repeaters, fiber optic repeaters offer clean signal, zero self-oscillation risk, long transmission distance (up to 20 km) and controllable coverage — the proven solution for tunnels, underground garages, large buildings, mountain hydropower plants and utility tunnels.
| Model | Type | Coverage | Typical Use |
|---|---|---|---|
| YLT-DF20 | Digital fiber repeater | 1,000-3,000 m² per remote | Building zones, garages |
| YLT-DF35 | High-power digital repeater | 3,000-10,000 m² per remote | Tunnels, plants, campuses |
| YLT-AF20 | Analog fiber repeater | 1,000-3,000 m² per remote | Mid-size projects |
| YLT-DF-N / -C | Smart NMS (4G / Cloud) | Same as above | Multi-site remote O&M |
* All-operator bands, 2G/3G/4G/5G configurable on request; fiber links support daisy-chain cascading. Final parameters confirmed during project evaluation.
The master unit takes signal from the base station (coupler or donor antenna); remote units are placed freely along fiber runs.
Fiber from one master directly to each remote — a single point of failure never affects other remotes. Ideal for building zoning.
Daisy-chained remotes along one fiber run — saves fiber, perfect for tunnels, highways and pipelines.
Star + chain combined for flexibility and cost balance in campuses and factory areas.
Remote units feed leaky coaxial cable for continuous line-shaped coverage — the tunnel and mine solution.
Two ways: ① Coupled from the base station feeder via a coupler in the equipment room — best signal quality, requires carrier coordination; ② Over the air via a donor antenna pointed at the base station — faster to deploy. Our engineers recommend the right method after a site survey.
Up to 20 km with standard configuration, extendable with optical amplification — enough for tunnels, mining areas and remote mountain stations. Fiber loss (about 0.35 dB/km) is included in the link budget during design.
Yes — that is the core advantage of the Smart NMS edition. The -N (4G NMS) and -C (cloud platform) versions have a built-in 4G module for real-time monitoring of gain, VSWR, temperature and power, automatic fault alerts, remote tuning and batch configuration. See the Smart NMS page.
Yes. We export worldwide by DHL/FedEx/air/sea, support OEM/ODM with custom branding and band configurations matched to your country's operators, and provide remote commissioning support in English.