Functions
1. 0.1dB attenuation
2. Three kind of attenuation step elected 10dB, 1.0dB, 01dB.
3. Small insert loss, high attenuation precision, great changeable attenuation,
4. Intelligent, generalize, display dB of the attenuation output power directly.
5. It really achieve high accuracy, stable, reliable, convenience and durable.
6. Working wavelength: 1310nm, 1550nm.

Applications
1. Communication engineering and maintenance.
2. Fiber computer network, fiber CATV network.
3. Photo source optical transmitter and receiver detection
4. Component fiber and variety fiber devices testing system.