There are no UAV rules in Combodia. Hold yourself to the rules that you are using at home.
so many people can fly there UAV here.
BUT... Cambodia have a lot of No Fly Zones, see below.
Maximum take-off weight:
Maximum horizontal distance:
Distance Airports / Heliports:
NO FLY ZONES: Phnom Penh, Angkor Park, and at all historical tempels, the Royal Palace and all city centers.
Don't fly there, they confiscate your drone and put jou in jail.
Useful link: Cambodia State Secretariat of Civil Aviation (SSCA)
Contact information : email@example.com / +855 23 890 198
In 2018 there where three Dutch guys filming in a city center. The UAV was confisquated and they ended up in jail for a couple of hours.
They went back to The Netherlands without there Mavic Pro.