This article covers Cryfokt FM350 GL DW5931E ESIM M.2 ネットワーク カード モジュール.

Overview

The Cryfokt FM350 GL DW5931E ESIM M.2 Network Card Module is an internal expansion card that adds 5G NR and 4G LTE cellular connectivity to compatible laptops. Using a standard M.2 interface, it installs directly inside the system, eliminating the need for external dongles. With theoretical download speeds up to 4.67Gbps, it provides fast, reliable internet access on the go. It is specifically validated for use with Dell Latitude, Precision, and XPS series laptops, making it a compelling upgrade for mobile professionals and remote workers.

Key Features

Up to 4.67Gbps download speed: Supports 5G NR (Sub-6GHz) and 4G LTE (FDD/TDD) for smooth large file transfers and high-resolution video streaming. Global band support: Covers major 5G bands (n1/2/3/5/7/8/20/25/28) and a wide range of 4G LTE/WCDMA bands, ensuring compatibility with carriers worldwide. M.2 form factor: Fits into standard M.2 Key B or Key M+B slots, offering a compact internal solution without external antennas or USB dongles. eSIM capability: Built-in eSIM allows downloading mobile network profiles without a physical SIM card, simplifying carrier switching during travel. * Broad OS compatibility: Works with Windows and Linux operating systems after driver installation.

Connectivity & Compatibility

This module uses the M.2 3042/3052 form factor and connects to an internal M.2 Key B slot. Officially compatible models include Dell Latitude 5340/5440/5531/5540/7340/7440/7640/9330/9440 2-in-1, Dell Precision 3480/3571/3580/3581, and Dell XPS 13 9315 2-in-1. Other laptops with an M.2 Key B slot and BIOS support for WWAN modules may also work, but compatibility is not guaranteed. Always verify your specific laptop model before purchasing.

Product Info

The Cryfokt FM350 GL DW5931E is available through online retailers such as . Pricing typically ranges from approximately 8,000 to 15,000 JPY depending on sales and availability. Warranty details are provided by the seller. The package includes the module only; antenna cables and mounting screws may need to be sourced separately.

Best Use Cases

Business travelers and remote workers who need reliable mobile connectivity without relying on public Wi-Fi hotspots. Owners of Dell Latitude, Precision, or XPS laptops looking to upgrade from 4G to 5G at a lower cost than official Dell modules. * Creative professionals and engineers who frequently transfer large files to the cloud and benefit from faster upload/download speeds.

Things to Consider

This module is designed exclusively for laptops with an available M.2 Key B slot; it cannot be used in desktop PCs or devices without such a slot. Some Dell laptops implement a BIOS whitelist that may block non-Dell WWAN cards, so research your specific model's compatibility beforehand. Installation requires disassembling the laptop and connecting antenna cables (often sold separately). If you are not comfortable with hardware installation, consider having it done by a professional.

Product Disclosure (Amazon)

  • Manufacturer: Cryfokt
  • Seller: cigemaw
  • Fulfilled by: cigemaw
  • ASIN: B0H1M9ZX6F
  • Note: This article covers a manufacturer-made product based on Amazon listing details.