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Small green circuit board with 3.5mm audio jack and SIM card slot

DELL

DELL 1NJ41 Audio Adapter for Latitude 5404 5414 7404 Rugged

SKU CH-XMAM-CHAGH

Replaces the internal audio port and SIM reader on Latitude 5404, 5414 and 7404 Rugged notebooks with a 3.5 mm jack and micro-SIM slot

  • TypeAudio Port + SIM Card Reader Board
  • Specifications3.5mm Combo Audio Jack Micro SIM Card Slot OEM I/O Board Int
  • Connector ABoard-to-Motherboard Connector
  • Connector B3.5mm Audio Jack / SIM Slot
  • Terminal GenderFemale
  • FeaturesCompatible with Dell Latitude 5404, 5414, and 7404 Rugged mo
  • Restores 3.5 mm audio jack for headset use
  • Adds micro SIM slot enabling WWAN connectivity
  • Genuine Dell OEM board ensures precise fit
  • Direct motherboard connector simplifies internal installation
  • Compatible with Latitude 5404, 5414 and 7404 Rugged models

Targeted Repair Part

The Dell 1NJ41 is an OEM audio port and SIM card reader board built for Latitude 5404, 5414 and 7404 Rugged notebooks. It restores the 3.5 mm combo jack and micro-SIM slot used for WWAN connectivity. Field technicians and IT teams fitting genuine Dell spares will find the exact fit required for these ruggedised chassis.

Internal Board Swap

Installation means opening the rugged chassis, disconnecting the old board-to-motherboard connector and seating the replacement in the same location. The connector is keyed, so orientation mistakes are the most common issue; forcing it can bend pins. No drivers are needed, but the BIOS must recognise the WWAN module after reassembly.

Single-Model Interface

The board-to-board link and physical mounting points exist only on the three listed Latitude Rugged models. The 3.5 mm jack follows the CTIA headset standard, yet the SIM tray accepts only micro-SIM cards. Builders adapting this part to other laptops or newer nano-SIM plans cannot use it without custom fabrication.

Highlights

  • Restores 3.5 mm audio jack for headset use
  • Adds micro SIM slot enabling WWAN connectivity
  • Genuine Dell OEM board ensures precise fit
  • Direct motherboard connector simplifies internal installation
  • Compatible with Latitude 5404, 5414 and 7404 Rugged models

Specifications

SeriesLatitude Rugged
Model1NJ41
Part Number1NJ41
TypeAudio Port + SIM Card Reader Board
Specifications3.5mm Combo Audio Jack
Micro SIM Card Slot
OEM I/O Board
Internal connection to motherboard
Connector ABoard-to-Motherboard Connector
Connector B3.5mm Audio Jack / SIM Slot
Terminal GenderFemale
FeaturesCompatible with Dell Latitude 5404, 5414, and 7404 Rugged models
Provides integrated 3.5mm audio support
Enables WWAN SIM card functionality
OEM replacement part
Easy internal installation

Questions about this item

How can I verify the 1NJ41 board is working after installation?

Insert a 3.5 mm headset and confirm audio output, then insert a Micro SIM and check that the WWAN modem registers a network connection in Windows.

What comes with the 1NJ41 board and what must be sourced separately?

The package contains only the OEM audio/SIM I/O board; you must supply the small board-to-motherboard flex cable and any chassis screws required for your Latitude Rugged model.

Which Dell Latitude Rugged models are supported by the 1NJ41 board?

The 1NJ41 is validated for Latitude 5404, 5414 and 7404 Rugged notebooks; choose it only if your service tag matches one of those three models.

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