Allied Telesis AT-STACKXG-00, 0 - 40 °C, -25 - 70 °C, 5 - 90%, 5 - 95%, 0 - 120000" (0 - 3048 m), 0 - 157480.3" (0 - 4000 m) Allied Telesis AT-STACKXG-00. Dimensions (WxDxH): 0.579 x 0.339 x 0.122" (14.7 x 8.6 x 3.1 mm), Weight: 4.62 oz (131 g)