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Pt-321 Handheld OTDR Features:• One-key operation
• Shortcut key design, one- key setup
• Smart portable OTDR, 4inch TFT LCD display
• Firm, durable, shock-proof, moisture-proof
• Large storage capacity, maximum store up to 800 measurement files
• Built-in lithium rechargeable battery, more than 10 hours working hours
• Support USB and network interface, more convenient to manage files
