The affordable compact MultiModemZDX desktop modem delivers high-speed data transfers and faxing capabilities making it ideal for the mainstream PC/Macintosh-user market. It supports asynchronous equipment over dial-up lines, handles voice mail and full-duplex speaker phone with voice models, supports Class 1 and Class 2 fax commands (most models), stores phone numbers for automatic dialing, answers calls and detects rate automatically. It features a small footprint and stackable design and supports custom installations with features like 11-bit support, Multi-Tech command set, and remote configuration .(depending on model)

Specifications:

• Max Fax Transfer Rate:  14.4 Kbps 
• Error Correction Protocol:  ITU V.42 
• Data Compression Protocol:  MNP-5, ITU V.42bis, V.44 
• System Requirements:  Microsoft Windows 95, SCO OpenServer, Linux, Microsoft Windows NT, Microsoft Windows XP, Microsoft W   
• Device Type:  Fax / modem - serial RS-232 
• Enclosure Type:  External 
• Dimensions: (WxDxH)  4.3 in x 5.7 in x 1 in 
• Weight:  0.4 lbs  
• Max Transfer Rate:  56 Kbps 
• Protocols & Specifications:  ITU V.34, ITU V.90, ITU V.17, ITU V.92 , Hayes AT command set 
• Fax Compatibility:  G3