The Digi Connect Wi-SP is a single port, low cost serial to Wifi converter and industry's first such product with 802.11i/WPA2 security.
The Connectport TS W series provides easy and secure integration of virtually any RS232/422/485 device into 802.11b/g wireless networks. 1, 2 and 4 port variants are available and all models support Modbus to Modbus/TCP protocol conversion support.
Please see the Documents section below for more information.