Alfa 802.11a/n Weatherproof Long-Range Outdoor Router / AP/CPE - with a Built-in 14dBi Dual-Polarity Antenna Size 27.5 X 9.3 X 4.5 (cm) Temperature Operating: -30 ~ 75 ?C Storage: -40 ~ 80 ?C PoE Required 12V~24V * depends on cable length *