The hardware requirement for ARMS(R) F&B are listed as below:
Main Terminal
Requires iPadOS 9.3 and above.
Mobile Terminal
Requires iPadOS 9.3 and above.
Printer
Any Epson-Compatible LAN Receipt Printer. We recommend Epson TM-T88 or STAR Micronics TSP650 (ethernet) printer.
Cash Drawer
Any cash drawer that are compatible with the Receipt Printer.
Router
WiFi + LAN router. We recommend Apple's Airport Extreme