





🚀 Master your fiber network like a pro—never miss a signal again!
The YD-3309D Live Optical Fiber Identifier is a compact, lightweight tool designed for telecom and CATV professionals. It detects optical signals within 800-1700nm, identifies fiber signals at multiple tone frequencies, and features a built-in 10mW visual fault locator for fiber distances up to 15 km. With an integrated optical power meter supporting six wavelengths and a universal 2.5mm connector, it offers versatile, precise fiber testing in a durable metal casing powered by AA batteries.

| Manufacturer | Yide Machinery Co. Ltd. |
| Part number | YD-3309D |
| Item Weight | 200 g |
| Product Dimensions | 23.01 x 3.61 x 4.98 cm; 200 g |
| Item model number | YD-3309D |
| Colour | Red |
| Style | Modern |
| Power source type | 2*AA Alkalone battery |
| Item Package Quantity | 1 |
| Included components | No |
| Batteries included? | No |
| Batteries Required? | No |
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