US Version: The Cambium N009045D003A 900 MHz 12 dBi Gain Directional Yagi Antenna is a high-quality antenna designed for enterprise networking and servers. With a brand name of Cambium Networks, this Yagi antenna offers a strong and focused signal with a 12 dBi gain, making it ideal for improving network connectivity and performance. The pre-owned status means that it has been previously used but is guaranteed to provide reliable and efficient functionality for your networking needs.