Mini PCI-E WWAN to USB Adapter with SIM Card Slot, Test Board for 3G 4G 5G LTE Wireless Modem Module

This Mini PCI-E WWAN to USB adapter is a professional testing tool designed for 3G, 4G and 5G LTE wireless modem modules. It transforms Mini PCI-E interface cellular modules into standard USB-connected devices, allowing convenient plug-and-play testing without complete laptop hardware assembly.

Equipped with an independent SIM card slot, it supports inserting standard SIM cards to establish cellular data connections for signal detection, network debugging and module performance verification. Widely used by technicians, engineers and maintenance staff to check WWAN module functionality, signal stability and data transmission performance.

Made with solid circuit boards and precise component layout, the adapter delivers steady power supply and signal transmission during long-hour testing. It serves as an efficient auxiliary tool for module research, after-sales maintenance and mass product inspection of wireless cellular modem cards.