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The QIANRENON LC Multimode Duplex Fibre Optic Loopback Adapter is a high-performance 10Gb OM3 LC/UPC duplex patchcord looper designed for precise fibre optic network testing. Compatible with 50/125μm multimode fibre and operating at 850nm & 1300nm wavelengths, it delivers ultra-low insertion loss (≤0.2dB) and high return loss (≥60dB). Built with a durable zirconia ceramic core, it withstands extreme temperatures, making it essential for fibre optic labs, R&D, and advanced communication diagnostics.
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