Mini PCI-E Wireless WWAN to USB Adapter Card with SIM Slot for HUAWEI EM730 green

Description

For testing the WWAN cards. No need to break or open your laptop to test your WWAN modules. The adapter has integrated with a SIM card slot. Very easy to use. No need extra drivers. Specialized use to Module test and Network. Easy to improve the reliability and stability. PCB adds four screw holes. USB signal and 3.3V voltage, the adapter make the USB interface 5V voltage converted to 3.3V by LDO, supply power to module and USIM / SIM to work, the signal bus is the USB signal.