Branch single mode 12-core fiber optic pigtail is equipped with OS2 Corning SMF-28 Ultra G657A1 fibers. Featuring LC/UPC connectors, fiber optic pigtail ensures low insertion loss ??0.3(dB) and high return loss ??50(dB). Yellow LSZH jacket emits minimal smoke and no toxic halogen gases when exposed to high heat, enhancing safety in enclosed spaces. Our fiber optic pigtail's performance is higher than standard requirements in the industry, which is trustworthy.