D-Link DI-308 - Manual (Page 122)

DI-308 ISDN Remote Router
114
Ventilation Fanless
Operating Temperature 0 - 50 C (32 - 122 F)
Storage Temperature -25 - 55 C (-13 - 131 F)
Humidity 5% - 95% non-condensing
Dimensions 220mm x 166mm x 45mm
(8 3/5" x 6 1/2" x 1 3/4")
Emissions (EMI) FCC Class B, CE Mark, C-Tick
Safety UL (UL1950), CSA (CSA950)