56k  modem Features:

1.Fast V.92 56Kbps analog modem
2.Connect to your internet via fast 56Kconnection rates
3.USB interface for easy Plug-n-Play installation
4.ITU V.92 & V.90 56Kbps standard compliant
5.Hot Swappable
6.Automatic configuration
7.Bus powered Light weight and compact design
8.Universal Compatibility
9.ruly Plug & Play, hassle-free installation
10.No more bulky power supply
11.Voice capabilities
12.Data compression/Error correction
13.Data capabilities
14.Fax capabilities
15.Video conferencing

Data compression/error correction:                   

V.42  bis , MNP 5
V.42 , LAPM, MNP2-4 Data mode standards:
V.90 : 56 Kbps
V.34bis : 33.6 Kbps
V.34 : 28.8 Kbps
V.32bis : 14.4Kbps
V.32 , V.23 , V.22 , V.21
Bell 103 and Bell 212A
EIA/TIA 602 Hayes AT Commands compatible
Fax modulations
V.17 : 14,400 bpsl           V.29 : 9,600bps
V.27ter : 4,800bps
Fax Control / Protocol
TIA / EIA 578 Class 1 fax
Group 3 fax mode
Video conferencing : H.324, ITU V.80 video-Ready modem interface
Drivers support : Windows ® 98 SE / ME / 2000 /XP
Diagnostics capabilities:
Analog Loopback Test
Digital Loopback Test
Remote Digital Loopback Test
Power-On Self Test
LED indicator lights :
Power On / Off
Modem In Use
Data Transmit / Receive
Interface / connectors:
USB type B Interface
RJ11 Telephone Jack