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Black Dell WiFi antenna boost cable with 3.5mm and TNC connectors

DELL

DELL WiFi Wireless Network Antenna Boost Cable Adapter 3.5mm TNC 2.4/5 GHz M4P6T 3TJ9N GJRH7

SKU CH-P29Z-B9Z1S

Connects Dell laptops or desktops to 2.4 and 5 GHz Wi-Fi via 3.5 mm and TNC connectors for stronger signal reception

  • Product colorBlack
  • Boosts Wi-Fi reception for Dell laptops and desktops
  • Dual-band 2.4 / 5 GHz coverage for broader compatibility
  • 5 mm jack plus TNC connector for flexible mounting
  • Genuine Dell replacement part numbers M4P6T, 3TJ9N, GJRH7
  • Improves signal strength for more stable wireless links

Dell WiFi Antenna Boost Cable

This Dell antenna boost cable adapter improves wireless reception for compatible Dell laptops and desktops. It connects via a 3.5mm jack and TNC connector to strengthen the network signal. The component is designed for users experiencing weak WiFi performance in their current setup.

Dual-Band 2.4 and 5 GHz Operation

The antenna operates across both 2.4 GHz and 5 GHz frequency bands for broad compatibility. It draws no external power and adds no audible noise to the system. Installation is passive and does not increase the thermal load of the host device.

Replaces Damaged or Missing Factory Antennas

This part replaces a broken, lost, or underperforming original antenna cable in supported Dell systems. The upgrade is worthwhile when the internal antenna path has degraded or the external connector is faulty. It is not suited for devices lacking the required 3.5mm and TNC antenna ports.

How it compares

Measured against everything we stock in Wi-Fi Antennas & Wireless Bridges, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 87% of the 399 comparable items (median $31.99).

Specifications

Product
Product colorBlack

Questions about this item

How do I connect the 3.5mm jack and TNC connector to my Dell system?

Plug the 3.5mm jack into the laptop or desktop antenna port, then screw the TNC connector onto the external antenna until finger-tight; the step people miss is fully tightening the TNC or the signal drops.

What part of this antenna cable wears out first?

The 3.5mm plug and TNC threads degrade with repeated connect-disconnect cycles; the coaxial cable itself can develop kinks if bent sharply near the connectors.

At what point does the 2.4 and 5 GHz signal stop improving with a longer cable?

Signal gain peaks at the cable's designed length; adding extensions adds attenuation that cancels the boost on both 2.4 and 5 GHz bands.

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