WWAN PCIe module Lenovo 4G LTE CAT12 model 5W10V25820 for cellular connectivity

The Lenovo 4G LTE CAT12 WWAN PCIe module provides mobile broadband connectivity through a PCIe interface for compatible laptops and embedded systems. Designed for integration in supported Lenovo devices, this module enables cellular data access using LTE Category 12 speeds, allowing reliable internet connection where Wi‑Fi is unavailable. The module requires a compatible driver and an active SIM/data plan to operate and is intended for systems with a WWAN slot and antenna connections.

Advantages

This WWAN PCIe module delivers high-speed mobile data with LTE Category 12 performance, supporting faster downloads and improved responsiveness for browsing, cloud services and remote applications. The compact PCIe form factor is suitable for internal installation in laptops or embedded systems, preserving device portability while adding cellular capability. Integration with system antennas and standard driver support ensures straightforward deployment in supported Lenovo systems.

Suitable for

• Mobile broadband access for laptops and mobile workstations
• Field service devices and on-site data collection
• Backup and failover internet connections for remote use
• Embedded systems requiring cellular connectivity
• Remote work, IoT gateways and fleet devices with WWAN slots

Key specifications

• Cellular standard: 4G LTE (Category 12)
• Interface: PCIe mini-card form factor for internal WWAN slot
• Network capability: mobile broadband for voice/data networks (SIM required)
• Antenna: requires connection to device WWAN antennas
• Power: designed for low-power laptop/embedded use
• Operating environment: typical laptop/embedded temperature and humidity ranges

How to use

Install the module into the device’s WWAN PCIe slot following the device manufacturer’s service manual. Connect the internal WWAN antenna cables to the module’s antenna connectors and secure the module with the appropriate screw. Install the correct Lenovo-supported driver for the operating system, insert a compatible SIM card with an active data plan, and configure the network APN settings as provided by the mobile operator. Reboot the device if required and verify signal strength and network registration through the operating system’s network manager.

Recommendations

Use the module with supported Lenovo systems and ensure firmware/drivers are kept up to date. For stable performance, place the device where cellular reception is optimal and use a data plan that matches expected bandwidth needs. For critical connections, configure a failover policy between Wi‑Fi and WWAN and monitor data usage to avoid unexpected charges.