Tableside ordering covers two different products that get sold as one: a device a server carries, and a screen the guest uses. They solve different halves of the same problem and they have different failure modes. Being clear about which one you are buying is most of the decision.
In the server's hand
A handheld lets an order go to the kitchen from the table instead of from a terminal, which removes the walk and, more usefully, removes the transcription. It suits long floors, gardens and rooms where the till is a corridor away. What it demands is a device that survives being dropped, a battery that lasts a double, and a signal in the corner table that nobody tested. All three are worth checking on site rather than in a showroom.
On the table
A screen the guest uses is a different bet: it removes the ordering conversation entirely, which some rooms want and some rooms sell. It works best in high volume casual settings with large groups and repeated rounds. It works badly where the recommendation is part of the meal. A tablet on the table also brings charging, cleaning and breakage, which is why most rooms now let the guest use their own phone.
Paying without the walk back
The last trip of a meal is the card machine, and removing it is the part guests notice most. Whatever the ordering device, check how a split bill behaves, whether service can be adjusted without a conversation, and what happens when the table wants another round after somebody has paid. Those three cover almost every awkward moment this flow produces.
Questions people ask about tableside ordering system
Do handhelds actually save time?
They save the walk and the re-keying, which in a long room is real minutes per table. In a small room where the till is three steps away, they mostly save nothing and add a device to charge.
Should the screen be ours or the guest's phone?
The guest's phone costs nothing, needs no charging and cannot be stolen. Buy screens only where the menu genuinely sells better with photographs on a large display.
Can tableside ordering and normal service run together?
Yes, and most rooms do. Guests who prefer to order from a person still can. Making it compulsory is what makes it unpopular with the people you were trying to please.
What happens when the handheld loses signal?
It should keep the order and send it when the signal returns, and tell the server that it is waiting rather than silently dropping it. A garden at the far end of the wifi is where this is tested; ask the vendor to walk the demo device out of range and watch what the screen says.