Port blocker Smartkeeper NL03P1BK RJ-45 Black 12 pcs

The Smartkeeper NL03P1BK RJ-45 port blocker is a passive security device that physically blocks a LAN port to prevent unauthorized access and internal data leakage. Supplied as a pack of 12 black blockers, it fits standard RJ-45 sockets and is suitable for securing multiple devices in offices, classrooms, or public spaces. The compact unit measures approximately 130 mm × 205 mm × 20 mm and weighs 0.02 kg per piece.

Advantages

This port blocker requires no power or software and provides a simple physical barrier against tampering and unauthorized network connections. Its black colour and slim dimensions ensure unobtrusive installation. The pack of 12 allows consistent protection across several devices or workstations.

Suitable for

• Securing desktop PCs and laptops in offices
• Protecting network ports in classrooms and training rooms
• Restricting access to LAN ports in public areas and kiosks
• Use in meeting rooms, reception areas, and shared workspaces

Key specifications

• Model: Smartkeeper NL03P1BK
• Type: RJ-45 (LAN) port blocker
• Colour: Black
• Quantity: 12 pieces per pack
• Dimensions (approx.): 130 mm × 205 mm × 20 mm
• Weight (per piece): 0.02 kg
• Brand: Smartkeeper
• MPN: NL03P1BK
• EAN: 8809534691119

How to use

Insert the blocker into the RJ-45 socket until it sits flush and prevents insertion of an Ethernet cable. To restore port access, remove the blocker according to the manufacturer’s instructions. No software configuration or power source is required.

Recommendations

For consistent security, install blockers on all unused LAN ports and keep a record of removed blockers. Use the pack of 12 to cover multiple devices or central network points where physical access must be restricted.