The speaker recommends requesting a speed test report from hotels, which includes upload/download speeds, network details, service providers, and latency, to assess internet suitability for trading.
"you could always ask the hotel lobby to send you like a speed test speed test.net that'll give you a report of the upload download speed and the network and the service providers so you can look them up and see what the speeds are and check to make sure you're happy with it and it'll show you the latency as well"