I traveled regularly for my job until recently due to COVID. Three's 'Internet with legs' sim cards are, without any doubt, the best of a range of mobile broadband sims on sale
Recommend if you want a SIM card as soon as you land in your destination - which was important for us as we had a ride waiting and were able to provide the phone number attached to the SIM
purchased this to place in my girl's smartwatch ($75 W5 4g from China) and was incredulous on the off chance that it was in any event, going to work. I enlisted it on the web and it was straightforward. When the SIM was actuated I put it into the watch and after around 20 min of it saying looking through it at last read the SIM and was showing bars. Following an hour it could message and get message yet not call out. Following 4 hours it works 100 percent, Text, calls, and media