Buying an unattended payment terminal is not the same exercise as choosing a card reader for a staffed checkout counter. A vending machine, self-service car wash bay, parking station, laundromat machine, or kiosk needs a payment device that can survive its physical environment, communicate correctly with the machine, complete an...
Ethernet, WiFi, or 4G: Choosing Terminal Connectivity and Setting Up a Store Network That Passes PCI
Choosing credit card terminal connectivity is not simply a matter of finding whichever connection produces the highest speed-test number. For a fixed checkout counter, Ethernet is often the most predictable starting point, but secure WiFi and cellular can be equally appropriate when the environment calls for them. The bigger issue...