Fiber Optic Sensor Amplifier Faserverstärker FF-403P 401 402(FF-403G green). Powerful Signal:Effectively boosts weak optical signals, significantly extends fiber transmission distance, ensuring clear and stable signals High Stability:Constructed with robust materials for a sturdy, durable structure, guaranteeing long-term stable Compact Design:The fiber optic amplifier features a small footprint for easy installation and use Meets Demands:The fiber optic amplifier accommodates the complex and dynamic requirements of industrial automation Farbe:FF-403G green