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Thin black coaxial cable with small round connectors at both ends

ALSEYE

ALSEYE WWAN WiFi Antenna Cable Lenovo ThinkPad X1 Carbon 12th 13th Gen

SKU CH-F1JQ-MRX8J

WWAN WiFi antenna cable for Lenovo ThinkPad X1 Carbon 12th and 13th Gen models

  • Compatible with ThinkPad X1 Carbon 12th and 13th Gen models
  • Matches multiple OEM part numbers for precise fit
  • Supports both WWAN and WiFi antenna connections
  • Genuine ALSEYE replacement part for reliable signal performance
  • Photos show actual product for visual verification before purchase

WWAN WiFi Antenna Cable for ThinkPad X1 Carbon

This ALSEYE antenna cable restores wireless and WWAN connectivity on compatible Lenovo ThinkPad X1 Carbon laptops. It fits 12th Gen models 21KC 21KD and 13th Gen models 21NS 21NT 21NX 21NY. The part matches multiple manufacturer numbers including SA31H59587 SA31H59585 5A31K53982 5A31K53983 DC330021V10 DC330021V00. Verify your exact model before ordering.

Model-specific fit limits interchangeability

Parts look similar across generations but are not interchangeable. The cable is keyed to the listed 12th and 13th Gen chassis and antenna routing. Installing it in a different ThinkPad series or generation will not align with the internal connectors or mounting points. Physical comparison with the original part is recommended before installation.

Replaces damaged or missing factory antenna cables

This cable replaces a frayed disconnected or missing WWAN WiFi antenna lead that causes weak signal or dropped connections. The jump is worth it when diagnostics confirm the antenna path is faulty rather than the radio card or software. It does not upgrade wireless standards or add bands it only restores the designed signal path for the listed models.

How it compares

Measured against everything we stock in 2-in-1 Device Accessories, at today’s prices. Recalculated every night.

Price $58.99
Typical for this category: the median of 7,473 items is $56.99.

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Specifications

No published specifications for this item yet.

Questions about this item

Which MPN matches my X1 Carbon 12th Gen 21KC?

For the 12th Gen 21KC or 21KD, the listed MPNs are 5A31K53982, 5A31K53983, DC330021V10 and DC330021V00.

What does this cable actually do inside the laptop?

It routes the WWAN and Wi-Fi antenna signals from the motherboard to the display lid, restoring wireless connectivity after a repair.

Does the connector fit the standard M.2 WWAN slot?

The cable ends are model-specific for the listed ThinkPad generations; they are not a universal M.2 antenna interface.

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