Lenovo ThinkPad Quectel RM520N-GL 5G M.2 Internal WWAN Module (4XC1Q24434)

ThinkPad Quectel RM520N-GL 5G M.2 WWAN Module (Lenovo part 4XC1Q24434) is an internal M.2 Key-B wireless modem that provides mobile data connectivity for compatible Lenovo laptops. The module supports 5G NR (SA/NSA), LTE-FDD, LTE-TDD and legacy UMTS/HSPA+ networks with receive diversity to improve signal reception. It fits M.2 WWAN slots and enables cellular broadband on systems such as ThinkPad X1 Carbon Gen 12 and T14 Gen 5 when the device hardware and firmware support this part.

Advantages

The module offers multi-mode cellular support across 5G and LTE bands as well as backward compatibility with UMTS/HSPA+ networks, ensuring broad network coverage. As an M.2 Key-B form factor WWAN card, it integrates directly into compatible laptop WWAN slots for a compact internal installation. Receive diversity improves link reliability in variable signal conditions, and the M.2 host interface provides a standard connection for high-speed data transfer.

Suitable for

• Adding cellular broadband to compatible Lenovo laptops with an M.2 WWAN slot (e.g., ThinkPad X1 Carbon Gen 12, T14 Gen 5)
• Mobile professionals who need reliable 5G/LTE data access
• Replacement or upgrade of existing WWAN modules in supported systems

Key specifications

• Form factor: M.2 Key-B WWAN module
• Cellular standards: 5G NR (SA/NSA), LTE-FDD, LTE-TDD, UMTS/HSPA+
• Features: Receive diversity
• Interface: M.2 host interface
• Lenovo part number (MPN): 4XC1Q24434
• EAN: 195892105794

How to use

Power off the laptop and disconnect any power sources. Locate the M.2 WWAN slot on the compatible Lenovo device, remove the access panel if necessary, and insert the M.2 Key-B module into the slot at the correct angle. Secure the module with the retaining screw, reassemble the device, and power it on. Install any required drivers, firmware updates or carrier profile settings provided by Lenovo or the module vendor, then insert a compatible SIM or eSIM profile as required for your network operator.

Recommendations

Confirm device compatibility and BIOS/firmware support before purchase. Use operator-approved SIM cards and keep drivers and firmware updated for optimal network performance and security.