Lenovo 4XC0R38452 laptopvervangingsonderdeel WWAN-kaart

Fibocom L850-GL is an LTE Cat-9 mobile broadband module in an M.2 3042 (30 × 40 × 2.3 mm) form factor, based on the Intel 7360 platform. The module supports global full-net connectivity and delivers up to 450 Mbps downlink and up to 50 Mbps uplink. Packaged as the WWAN Card Lenovo 4XC0R38452 for ThinkPad devices, it provides a compact, manufacturer-compatible option to add or upgrade cellular broadband on Lenovo laptops.

Advantages

The Fibocom L850-GL offers high-speed LTE Cat-9 performance with wide carrier support and a small M.2 3042 footprint for easy integration into compatible laptops. It is designed for reliable mobile broadband, delivering peak downlink speeds up to 450 Mbps and uplink speeds up to 50 Mbps while maintaining compatibility with Lenovo ThinkPad hardware when sold as WWAN Card Lenovo 4XC0R38452.

Suitable for

• Business professionals who require mobile broadband on ThinkPad laptops
• Frequent travelers needing reliable LTE connectivity worldwide
• Users upgrading older WWAN modules to higher-speed LTE Cat-9

Key specifications

• Model: Fibocom L850-GL (marketed as Lenovo 4XC0R38452 WWAN Card)
• Platform: Intel 7360
• Interface and size: M.2 3042 (30 × 40 × 2.3 mm)
• Category: LTE Cat-9
• Peak downlink: up to 450 Mbps
• Peak uplink: up to 50 Mbps

How to use

Install the M.2 WWAN card into the appropriate M.2 WWAN slot in a compatible Lenovo ThinkPad following the laptop manufacturer’s service manual. Ensure the device is powered off and the battery is disconnected if required by the service instructions. Secure the module with the retaining screw, attach any required antenna cables, then reassemble the laptop and power it on. Install required drivers and firmware from Lenovo or Fibocom to enable the WWAN functionality and configure mobile broadband settings through the operating system’s network manager or Lenovo connection utilities.

Recommendations

Use this WWAN card with Lenovo-supported ThinkPad models that explicitly list WWAN compatibility. Verify carrier network bands and firmware compatibility for your region, and install official Lenovo drivers and firmware updates to ensure optimal performance and device stability.