Data mode capabilities:
ITU T V.92, 56Kbps
ITU T V.90, 56Kbps
ITU T V.34, 33600 to 2400 bps
ITU T V.32bis, V.32
ITU T V.22bis,V.22
ITU T V.23, V.21
FAX mode capabilities:
ITU T V.17, V.29, V.27ter, and V.21 Ch 2
Group3 FAX
V.42 and NMP2-4 error correction (LAPM and MNP)
V.42bis and MNP class 5 data compression
Operating system support: Windows 98, ME, NT,
2000, XP, Vista and Linux
EIA / TIA 578 class 1 standard for AT command set