Lenovo 4XC1K20993 network card Internal WWAN 1000 Mbit/s

Lenovo 4XC1K20993

Fibocom L860 CAT16 4G LTE WWAN Module

The Lenovo 4XC1K20993 Fibocom L860 CAT16 WWAN Module is a high-speed internal 4G LTE solution designed for ThinkPad X1 Carbon Gen 10 users who require seamless cellular data connectivity on the move. Ideal for business travelers and mobile professionals, this module delivers a powerful alternative to Wi-Fi by enabling instant access to LTE networks globally.

Introduction :

Reliable LTE connectivity for mobile professionals

With support for LTE CAT16, the Fibocom L860 offers blazing download speeds up to 1Gbps and upload speeds of up to 150Mbps. Built on the PCIe Gen2 M.2 interface, it integrates smoothly into supported ThinkPad laptops, delivering ultra-fast wireless connectivity without the need for USB dongles or tethering. The internal antenna design ensures reliable performance in a compact form factor.

Expanded Overview :

Support for LTE-TDD, LTE-FDD, and WCDMA enables compatibility across a broad range of network bands and regions. Whether you're connecting in North America, Europe, or Asia, the module ensures robust and flexible mobile data access. The addition of MU-MIMO (Multi-User Multiple Input, Multiple Output) technology further enhances signal quality and performance in dense network environments.

Certified in regions including the EU (CE), Korea (KCC), Mexico (IFT), Philippines (NTC), South Africa (ICASA), and Taiwan (NCC), this WWAN module is globally ready and reliable. Whether working from remote sites, on transit, or in areas with limited Wi-Fi, the Fibocom L860 enables uninterrupted productivity.

Product Key Features

• CAT16 4G LTE with 1Gbps download speed
• Internal M.2 PCIe Gen2 wireless WWAN module
• Supports LTE-TDD, LTE-FDD, and WCDMA standards
• MU-MIMO technology for improved signal performance
• Certified in multiple countries for global use
• Compatible with ThinkPad X1 Carbon Gen 10

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Reliability & Performance :

Engineered for long-term durability and compatibility, the Lenovo Fibocom L860 features an internal antenna design and seamless integration with Lenovo ThinkPad systems. Hot-swap is not required×installation is internal and secure within the M.2 slot. The module operates efficiently in a wide range of environments, making it an ideal addition for users who demand mobile-first productivity and enterprise-level reliability.

Key Features :

• CAT16 LTE speeds up to 1Gbps download / 150Mbps upload
• PCIe Gen2 M.2 interface
• Internal wireless design with built-in antenna
• Supports LTE-TDD, LTE-FDD, and WCDMA networks
• MU-MIMO support for enhanced signal performance
• Certified in multiple global regions
• Compatible with ThinkPad X1 Carbon Gen 10
• Compact form factor for easy integration
• Enterprise-grade reliability for mobile professionals
• Global network compatibility for international travel

Specifications :

Specification	Details
Model Number	4XC1K20993
Module Name	Fibocom L860 CAT16 LTE WWAN Module
Type	Internal WWAN Network Card
Interface	PCIe Gen2 M.2
Connectivity	Wireless
Maximum Download Speed	1000 Mbps (1 Gbps)
Maximum Upload Speed	150 Mbps
Supported Standards	LTE-TDD, LTE-FDD, WCDMA
Antenna Design	Internal
MU-MIMO Support	Yes
Mobile Network	4G (LTE)
Component For	PC / Notebook (ThinkPad X1 Carbon Gen 10)
Certifications	CE, KCC, IFT, NTC, ICASA, NCC
Dimensions	M.2 3042 form factor
Weight	Approx. 6g (typical for M.2 WWAN modules)