Just need to adapt the WiFi module on carrier board if want to have wireless connectivity
No, not seen yet.
Jetson TX2i is a Jetson TX2 SKU for industrial environments. The rugged design, small form factor and power envelope make the Jetson TX2i module ideal for high performance edge computing devices such as industrial robots, machine vision cameras and portable medical equipment. See this FAQ for a comparison between Jetson TX2 and Jetson TX2i.