Good Kung Fu Electronic Firm is based in China and lists the 3G wireless USB modem on Global Trade Plaza. The product supports HSUPA/UMTS frequencies, includes a Qualcomm MSM 6290 chipset, and offers downlink speeds up to 7.2Mbps and uplink up to 5.76Mbps. It features a micro SD card slot (up to 32GB), USB 2.0 interface, and operates across Windows, Ubuntu, and Mac OS systems. Buyers can send an enquiry through Global Trade Plaza.