... supports data compress protocol, V.92, V.90 (56Kbps), V.34 (33.6Kbps) protocol standards.Featuresl With External USB 56K Modem, adopts ST chips ... ITU-TV.92 , V.90 , V.34 , V.32bis , V.32 , V.22bis , V.22 , V.23 , V.21 , Bell212A , 103l Fax protocol: V.17, V.29, V.27terandV.21Channel2 ... protocol, fax speed up to 14400bpsl Data error correct: V.42l Operating request :n CPUPentium 233MHz or Highern EMS ...