Best 56k External Modem

Panasonic Toughbook CF-52 MK3 Intel Core i5-540M 2.53GHz vPro ATI Radeon 15.4 LCD 1920 x 1200 WUXGA 8GB 256GB SSD DVD Super Multi Drive WiFi Bluetooth Smartcard Windows 10 Pro Renewed

Intel Core i5-540M (2.53GHz, L3 3MB, vPro).
15.4" widescreen 1920 x 1200 WUXGA LCD, ATI Radeon HD5650, 512MB dedicated VRAM.
Docking connector Dedicated 100-pin, External video D-sub 15-pin, Headphones/speaker Mini-jack stereo, Microphone/line in Mini-jack stereo.
Serial D-sub 9-pin, USB 2.0 (x 4) 4-pin, IEEE 1394a (FireWire) 4-pin, 10/100/1000 Ethernet RJ-45, 56K Modem RJ-11.

【POWERFUL FUNCTION】This is a professional data modem with powerful functions. This data modem supports caller ID, complies with USB 2.0 specification, supports fast connection (V.92), and higher versions..
【PORTABLE DESIGN】This multi-function data modem is small, light and easy to carry. The portable design greatly enhances the convenience of this data modem and makes it more convenient to use..
【PRACTICABILITY】This fax data modem can easily and conveniently receive and send faxes on the computer. Use this USB 2.0 data/fax external modem and experience a fast Internet connection..
【EXCELLENT PERFORMANCE】This portable external modem supports the V.92 protocol, and has a download speed of 56K, 48K data upload and 14.4 Kbps fax mode to ensure its excellent performance..
【COMPATIBLE MODEL】This external dial-up voice modem has universal compatibility, suitable for WINDOWS 98 SE, suitable for ME, suitable for 2000, suitable for X, suitable for Vista, suitable for Win 7, suitable for MAC..

DIAL-UP FAX MODEM -- support dial-up Internet access, send and receive faxes (not support voice dialing), 56k data/fax modem uses USB2.0 type A, and the full speed can reach 56kb/s..
PROTOCOL SUPPORT -- in line with V.92, V.90 and V.42, V.42bis/MNP5 protocol.
in line with V.17, V.29, and V.27ter group 3 fax protocol.
the interface supports RJ11 telephone line connection..
VARIOUS FUNCTIONS -- support automatic dialing, tone and pulse dialing, automatic answering, automatic fax sending and receiving.
support caller ID, automatic format/speed sensing, data/fax/voice call, single configuration file stored in the host, call forward/backward..
SYSTEM SUPPORT -- normal for WIN10/WIN8.1/WIN8/WIN7 system (64-bit recommended) can be plug and play, if it is not successful, you need to use the CD in our package to install. Support Windows 98/2000/ME/XP/Vista/CE5.0..
TRANSMISSION SPEED -- up to 56k data download, 48k data upload, and 14.4k fax communication.
test support for eastfax, for aofax, for winFAX software! Compatible with AT and extended AT command set..