Nokia 3AL82068AA High-Speed Variable Optical Attenuator (VOA) SFP Module – Designed for precise optical signal management, this SFP module offers attenuation from 0 to 20 dB with a response time of 300 microseconds. Operating within the 1525–1570 nm wavelength range, it ensures minimal insertion loss of 2.5 dB and maintains return loss ≥40 dB. Ideal for applications requiring dynamic optical power adjustment in fiber-optic networks.