Overview:KEY FEATURESModem 1.V.92 (up to 56 Kbps download, 48 Kbps upload)2.V.90 (up to 56 Kbps download, 33 Kbps upload)3.V.34 (4.8 Kbps to 33.6 Kbps)4.V.32 bis (4.8 Kbps to 14.4 Kbps)5.V.23 (75 bps to 1.2 Kbps)6.V.22 bis (50 bps to 2.4 Kbps)7.V.21, Bell 103/ Bell 212 Automode 1.V.44/V.42 bis/MNP 5 data compression 2.V.42/MNP 2-4 error correction 3.V.59 Diagnostic 4. Hayes AT Command set 5.TIES escape code 6. Quick Connect (V.92) Fax 1. Group 3, Class 12.V.173.V.294.V.27 ter Voice Features 1.ADPCM voice compression 2. Digital Answering Machine Telephony Services 1. Wake Up on Ring 2. Ring detection 3.ON/OFF hook control 4. Call progress monitor 5.DTMF detection & generation 6. Voice/fax/modem distinction 7. Caller ID (optional)8. Modem on Hold (V.92) Video Conferencing 1.V.80/H.324 interface support Operating System Support Windows (98, 98SE, ME, 2000, XP) Power Consumption lt;50m A Operating Mode lt;0.5m A St&-by Diagnostic Tool Modem Helper Note: If the color out of our stock, we will ship the item in random. Specification: Weight Approx:135g Size Approx:12 x 9.5 x 2.5