Pigtail style variable attenuator for 780-850nm with 1m long, 3mm OD jacketed, 50/125µ , 0.2NA graded index multi mode fiber terminated with super FC/PC connectors on both ends, 35dB return loss and in rectangular housing. ND:With neutral density filter. Typical IL ~1.5dB excluding connector losses that will be optimized at 820nm.