GrandLink GLK-4500D1 Mini OTDR gives you fast and accurate fiber testing in a compact handheld design. It helps you quickly find faults, measure distance, check power levels, and test link quality. It includes OTDR, power meter, VFL, light source, and cable tracking tools in one device. The clear touchscreen and long-lasting battery make it perfect for field technicians, FTTH projects, and maintenance teams.

GrandLink GLK-4500D1 Mini OTDR  Key Features & Specifications

• Dual wavelengths: 1310 nm / 1550 nm

• Dynamic range: 26 dB / 24 dB

• Short dead zone for accurate near-end fault detection

• 4.3-inch high-brightness touch screen

• Built-in Power Meter, VFL, Light Source, Loss Test, and Event Map

• RJ45 length test and cable sequence test

• Digital cable tracker (tone generator & probe support)

• High-speed CPU for fast OTDR analysis

• 8 GB internal storage for saving test reports

• Rechargeable 5000 mAh lithium battery

• Strong, portable, and field-ready design

• Ideal for FTTH, FTTB, data centers, and backbone maintenance