NGFF M.2 Key-B WWAN to USB 3.0 Adapter Card with SIM Slot, Test Riser Board for 3G 4G 5G LTE Modem Module

This M.2 Key-B WWAN to USB 3.0 riser adapter is a professional testing accessory for M.2 cellular modem modules. It converts M.2 Key-B interface WWAN cards into USB 3.0 connected devices, enabling technicians to test 3G/4G/5G LTE modules without embedding them into laptops or industrial devices.

Equipped with an independent SIM card slot, the adapter supports standard SIM cards to complete network signal detection, data speed testing and hardware fault diagnosis. The USB 3.0 port delivers sufficient bandwidth to fully release the high-speed transmission performance of 5G modules, avoiding transmission bottlenecks of low-speed USB 2.0.

With well-laid PCB circuits and stable power supply design, it maintains continuous reliable operation during long-time module verification. Widely used in hardware maintenance, module research and mass production inspection, it greatly simplifies the testing workflow of cellular wireless modem modules.