A used credit card terminal not working after you bought it online does not necessarily mean the hardware is defective. The device may boot normally, print a receipt, connect to Ethernet, respond to its keypad, and display transaction menus while still being completely unusable for live payments. That is because...
Pay-at-the-Table Terminals for Full-Service Restaurants: Tip Flow, Split Checks, and WiFi vs 4G Handhelds
A pay at the table terminal can remove several unnecessary trips between the dining room and a fixed POS station, but the hardware itself is only one part of the decision. For a full-service restaurant, the important questions are whether the handheld can retrieve the actual POS check, handle the...