This is an 802.11n wireless adapter with antenna, which allows you to connect your Raspberry Pi or BeagleBone Black to a Wi-Fi network.
This is a useful tool that allows to connect Personal Computers or a microcontroller in wireless networks using the famous XBee wireless modules. Connection is done via USB port and when you plug the board into the USB port, the PC system will recognize it as a serial VirtualCOM Port (VCP) which will realize the communication with the XBee module.
This GPS antenna draws about 10mA and will give you an additional 28 dB of gain. It's got a 5 meter long cable so it will easily reach wherever you need it to. The antenna is magnetic so it will stick to the top of a car or truck (or any other steel structure).