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live chat info@hirundo-link.com 0757-26619220

Manual VOA

MM/SM handheld VOA

Fiber Length
Fiber Jacket
Central Wavelength
Fiber Type
Please send email to info@hirundo-link.com if any questions, we will reply you within 12 hours, thank you!

Hirundo have a wide variety of single-mode (SM) or bias (PM) adjustable optical attenuators (VOA). These VOA are not terminaled or have FC/PC or FC/APC connectors. For this reason, we also provide an electronic VOA with output power that can be manually controlled or electronically controlled. Fiber connectors that fix optical attenuators can be connected to FC/PC or FC/APC single-mode fiber jumpers. We also offer fixed optical attenuators for SMA connector multimodal fibers.

Product Highlights


Screw control


Angular accuracy


Small size

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Our production plant
Grade PGrade AGrade AGrade A
Operating Wavelength1550±301310±301260~1650
Attenuation Range0.3~650.6~600.7~601.0~60
Precision0.02/0.05 over 0.6~60dB0.02 over 0.7~60dB0.02 over 1.0~60dB
Insertion Loss≤0.3≤0.6≤0.7≤1.0
Return Loss≥60dB
Polarization-related losses≤0.1 for 0-20dB attenuation
≤0.2 for 20-60dB attenuation
Optical Average Power500 mW
Operating Temperature-0~+70℃
Storage Temperature-40~+85℃
Package sizeGold-Plated Body