Longshine LCS-8156A. Modem speed: 56 Kbit/s, Interface: USB, Chipset: Agere. Maximum fax transfer rate: 14.4Kb/s. Minimum system requirements: 30MB HDD CD-ROM USB Port, Minimum processor: 200MHz, Minimum RAM: 32 MB. Dimensions (WxDxH): 75 x 20 x 20 mm, Weight: 30 g. Certification: FCC, CE