Dell laptop WWAN antenna assembly ASSY,CVR,ANT 4G compatible with models 553X/357X

WWAN antenna assembly ASSY,CVR,ANT 4G compatible with models 553X/357X is a Dell-branded replacement part designed to provide or restore 4G cellular antenna connectivity in supported laptop models. This component connects to a compatible WWAN module and is intended for hardware repair, service replacement, or upgrade when mobile broadband reception or transmission is degraded or missing. The assembly is designed to fit the specified Dell chassis and align with antenna cable routing for reliable signal performance.

Advantages

The WWAN antenna assembly offers a factory-compatible form factor and connector layout for straightforward installation in supported Dell laptops. By restoring the internal antenna path, it enables use of a WWAN module for mobile data, avoiding external antennas or USB dongles. The part is suitable for repair environments where maintaining original equipment compatibility and internal integration is required.

Suitable for

• Repairing Dell laptops listed as model references 553X or 357X that have missing or damaged WWAN antennas
• Upgrading devices to enable internal 4G mobile broadband with a compatible WWAN module
• Service operations where original-fit replacement components are preferred over aftermarket modifications

Key specifications

• Function: Internal WWAN (4G) antenna assembly for cellular connectivity
• Compatibility: Designed for Dell laptop models referenced as 553X and 357X
• Form factor: Internal cover-mounted antenna assembly sized to fit specified chassis
• Connection: Compatible with standard WWAN module antenna connectors used in supported Dell laptops
• Intended use: Repair, replacement, or upgrade to enable mobile broadband reception and transmission

How to use

Power off the laptop and disconnect all power sources before beginning installation. Access the internal compartment or cover area according to the service manual for the specific Dell model, remove any panels necessary to reach the existing antenna assembly, and disconnect the old assembly from the WWAN module and chassis. Position the replacement ASSY,CVR,ANT 4G in the designated location, route antenna cables following original paths, and attach connectors securely to the WWAN module. Reassemble panels and restore power, then verify mobile broadband operation using device network settings or diagnostics.

Recommendations

Use this assembly only in the supported Dell models and follow Dell service documentation for disassembly and reassembly procedures. Ensure the laptop contains a compatible WWAN module and appropriate SIM/profile activation from a mobile network operator to establish 4G connectivity. If unsure about compatibility or installation, consult an authorized service provider.