This Avantco 17823481 Z series wifi gateway is a perfect replacement for the broken or damaged gateway and antenna on your reach-in refrigerator or freezer. For use with Avantco's Z VersaHub enabled series reach-in refrigerators and freezers, this gateway allows you to connect your unit to the VersaHub system via wifi. Use this replacement part to maintain the monitoring and control on your Avantco Z VersaHub unit!