56 k external USB modem using Conexant main chip, support the caller id, is a high performance full soft modem. Provide plug and play the USB interface, support hot plug, prevent got disconnected, lightning protection, without external power supply. Installation is very easy, can be in Windows and Windows ME, Windows, WindowsXP, WIN seven 32 bit / 64, are popular operating systems operation, support data compression agreement, V. 90 (56 Kbps), V. 34 (33.6 Kbps) protocol standard, has the high efficiency of data transmission.
Data protocol: ITU - V. 92, V. 90, V. 34, V. 32 bis, V. 32, V. 22 bis, V. 22, V. 23, V. 21, Bell212A, 103 data error correction: V. 42 lapmandmnp2-4 ·
Data compression: V. 44, V. 42 bisandmnp5 ·
Instruction system: EIA/TIA578Class1, compatible HaysAT instruction set ·
Flow control mode: software (XON/XOFF) or to a hardware (RTS/CTS) flow control ·
Dialing method: audio frequency, pulse ·
Protection circuit: fast lightning protection circuit, enhance its resistance to lightning function ·
External USB 56 k Modem,