This is an ALFA 802.11g wireless USB adapter. The adapter is come with an RP-SMA antenna connector so that you can add an external antenna to boost your wireless range and signal. And to make things better we are including a 5dBi gain rubber duck antenna in the sale (comes with the adapter in the

This is an ALFA 802.11g wireless USB adapter. The adapter is come with an RP-SMA antenna connector so that you can add an external antenna to boost your wireless range and signal. And to make things better we are including a 5dBi gain rubber duck antenna in the sale (comes with the adapter in the retail box). The high power 1000mW can increase the receive signal range and the 5dBi antenna can increase the signal strength. So if you are looking for a device to connect to an indoor / outdoor wireless signal. This is your perfect solution.