This adapter is for reception deprived HSPA / 3G users. It connects most available USB-modem stick and PCMCIA Express modem cards to an external antenna, which automatically boosts signal reception. The cable ends in a SMA (F) connector. This adaptor works in conjunction with an external antenna, and not on its own.
This adapter is used on the All Band (GSM,3G,HSDPA) Cellular Outdoor Signal Boosting Antenna with SMA Connector including 7 Meter cable