The Flexy FLX3101 expansion card gives a flexy basic module an extra Ethernet WAN 10/100 MB port, which allows the Flexy to be adapted even more to your specific needs.
The Flexy FLX3402 digital I/O expansion card gives an additional flexy basic module 8DI, 4AI and 2DO outputs with which the Flexy can be adapted even more to your specific needs.