Careful with the word "fob" too to ensure you get what you want. You can get "remote fobs" which act like those that lock a car from a distance - some call them remotes, zappers etc.. You can also get "proximity fobs" which only work when pressed up close to a sensor....like contactless debit cards.
I try and refer to remotes as remotes, and prox fobs as fobs.
Good point there! We definitely want remotes - proximity fobs aren't much better than a manual gate if you have to get out every time to open it