License-free radios PMR 446
PMR446 is a license-free personal radio service that is available in most European countries and a few others that have also adopted the standard. … Many businesses have adopted PMR 446 as it enables them to have a low-cost radio communications system without the need for a license or other requirements.

Link:-
https://www.comms-spec.com/shop/product-category/motorola-radios/pmr446-radios-license-free