FreedomUSB Series USB Serial Ports, Hubs and Card Readers

Quatech, Inc.reedomUSB Series of USB serial adapters, card readers and hubs was created around the idea that taking advantage of new technology should not necessitate abandoning legacy devices and the applications written for them. With their USB product line they give you the freedom to implement the system you want with the resources you have and the code you have created. You have the freedom to use USB enabled devices with non-USB devices, to transfer data between USB compliant and non USB compliant computers, and to expand your computer's built-in USB ports to accommodate any number of USB and legacy serial devices.

PCD-U-- PCMCIA Memory Card Reader
An easy way to move large blocks of data via a USB port, the drive has a slot for SmartMedia cards and a slot for FLASH or CompactFLASH cards.

SSU-100-- Single Port RS-232 Serial USB Adapter
Single port RS-232 serial interface to a PC via the USB port.

DSU-100--2 Port RS-232 Serial USB Adapter
Two independent RS-232 serial interfaces to a PC via the USB port. The adapter enumerates itself as standard COM ports.

DSU-200/300--2 Port RS-422/485 Serial USB Adapter
Two independent RS-422 or RS-485 serial interfaces to a PC via the USB port.

QSU-100--4 Port RS-232 Serial USB Adapter
Four independent RS-232 interfaces, enumerated as standard COM ports, via the USB port.

QSU-200/300--4 Port RS-422/485 Serial USB Adapter
Four independent RS-422 or RS-485 serial ports via the USB port, supported in full-duplex or half-duplex mode.

QHub-4--Four Port USB Hub
Adds four additional USB ports to a computer via a single on-board USB port.

Please visit our website for complete specifications on the entire FreedomUSB Series

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