Design
Component for	Laptop
Antenna design	Internal
Certification	ISO/ IEC 7816-3, and MIPI
Compatible products	X1 2-in-1 Gen 9/T16 Gen 3
Internal
Network
Mobile network generation	5G
Operational conditions
Operating temperature (T-T)	-30 - 75 °C
Operating relative humidity (H-H)	5 - 95%
Packaging data
Package width	53 mm
Package depth	144 mm
Package height	177 mm
Package weight	30 g
Ports & interfaces
Connectivity technology	Wireless
Host interface	M.2
Interface	WWAN
Weight & dimensions
Width	52 mm
Depth	30 mm
Height	2.3 mm
Weight	8.7 g

The Lenovo 4XC1Q24435 is an integrated WWAN module for laptops, specifically developed for the X1 2-in-1 Gen 9 and T16 Gen 3 models. It is a wireless network module with an M.2 host interface, enabling mobile data connectivity via a WWAN interface. The module supports the 5G network generation and is designed for use in mobile work environments where a stable and fast internet connection is required independently of fixed network infrastructures.

Applications
This module is intended for use in professional laptops, particularly in the specified ThinkPad models. It enables mobile data communication via mobile networks and allows access to the internet, email, and cloud services while on the move. Compatibility with the X1 2-in-1 Gen 9 and T16 Gen 3 models ensures direct integration into the respective devices without additional modifications. Its use is ideal for mobile employees working at various locations who require continuous network connectivity.

Functions and Features in Detail
The module supports various mobile network standards, including 5G NR SA and NSA, LTE-FDD, LTE-TDD, DC-HSDPA, HSPA+, HSDPA, HSUPA, and WCDMA. It features receive diversity, which improves signal quality and stabilizes the connection, especially in areas with challenging reception conditions. Additionally, the module offers a GNSS function to support positioning. The eSIM function is optionally available, making the module’s configuration and use more flexible. Integration is achieved via the M.2 Key-B interface, which is standard in compatible laptops.

Technology Explained Simply
The WWAN technology enables data transmission over mobile networks, allowing the device to operate independently of WLAN or wired connections. The M.2 interface is a compact, standardized interface for internal modules, ensuring a fast and secure connection to the laptop’s main system. 5G support enables high data rates and low latency, which is beneficial for time-critical applications such as video conferencing or cloud streaming. Receive diversity improves signal quality by combining multiple antenna signals to minimize interruptions and fluctuations. The GNSS function supports positioning, which is relevant for applications such as navigation or location-based services.

Compatibility and Accessories
The module is specifically developed for Lenovo ThinkPad models X1 2-in-1 Gen 9 and T16 Gen 3. It is designed as an internal component and is directly integrated into the laptop system. Compatibility with these models ensures seamless installation and operation. No specific accessories are mentioned in connection with this module; installation is performed without additional components.

Installation and Mounting
Installation is carried out by inserting the module into the designated M.2 slot of the laptop. Mounting requires no additional tools or components, as the module is directly integrated into the device. The module is intended exclusively for the specified laptop models, and installation is performed by the manufacturer or authorized technicians as part of device configuration.

Operational Advantages
The module provides a reliable mobile data connection that functions independently of WLAN infrastructures. Support for 5G networks enables high speeds and low latency, which is crucial for modern applications. Receive diversity ensures a stable connection, even in areas with challenging reception conditions. The GNSS function extends the device’s functionality to include location-based services. Integration into the specified ThinkPad models ensures simple and secure installation without additional modifications.

The operating temperature of the module ranges from -30 °C to 75 °C, and the relative humidity during operation is 5 % to 95 %. Dimensions are 52 mm (width), 30 mm (depth), and 2.3 mm (height); weight is 8.7 g. Packaging data indicate a package width of 53 mm, package depth of 144 mm, and package height of 177 mm; package weight is 30 g. Certification is according to ISO/IEC 7816-3 and MIPI, ensuring the security and compatibility of the interface.