This product is a 5.2 dBi (3.0 dBd) Omnidirectional Mast Mount Antenna intended for use with Aironet 340 Series Ethernet Bridges from Cisco. The Aironet bridge antenna allows for extraordinary transmission distances between two or more buildings and is intended for outdour short-range point-to-multipoint applications. It has an approximate range of 5000' at 2Mbps and 1580' at 11Mbps.To maximize the performance of your Cisco hardware, Cisco strongly recommends Cisco SMARTnet Support. SMARTnet provides you with technical support, access to essential information, and advanced hardware replacement.