The timestamp demonstrated in the app was an hour or so before than reality, presumably as it hadn’t switched to British Summer months Time. Oddly, the time was demonstrated the right way in the online portal. An easy and cost-powerful solution is to work with a Faraday bag or box. https://bookmarktiger.com/story20593981/how-much-you-need-to-expect-you-ll-pay-for-a-good-car-trackers