Product Dimensions : 15.24 x 19.69 x 3.81 cm; 68.04 Grams
Item model number : USR5637
RAM Size : 128 MB
Wireless Type : 802.11bgn
Operating System : Windows Server 2012 R2/Win 10 /Win 10 64 bit/Server 2012/Win 8/Server 2011/Win 7/Server 2008/Vista/Server 2003/XP/2000 Mac 10.4-10.12. Linux 2.4.20 kernel or higher (Unimodem TSP/TAPI compliant)