The powerful 27 dBi 5 GHz / 18 dBi 2.4 GHz antenna will provide connection with link distance up to 40 km. The grid design ensures protection against wind, it can withstand temperatures from -40 C° to +70 C°. Antenna element is built into the wireless unit – no loss on cables. This device can handle the heaviest loads thanks to the impressive quad-core CPU and 256 MB of RAM. It has a Gigabit Ethernet port, an SFP port, and it is 802.3af/at compliant – you can power it with the smart switches!