Quatech, Inc. is an American company founded in 1983, a manufacturer of network devices and various connectors. The company's products provide reliable wireless communication according to the IEEE 802.11 standard, as well as over conventional wired networks. Quatech adapters provide a secure connection and a variety of expansion ports for mobile and stationary devices.

The product line includes Ethernet modules, interface modules, WiFi / 802.11 modules, antennas, RS-422/RS-485 interface ICS.