Branch fiber optic patchcord features single-mode OS2 G657A1 fibers. The LC/APC connectors on both ends offer low insertion loss ??0.3(dB) and high return loss ??60(dB), which can operate reliably in a temperature range of -20~70??C. Encased in a durable PVC OFNR jacket, making branch fiber optic patchcords suitable for vertical cable runs in building riser shafts while meeting fire safety standards.