Seems to be a generic rugged 7"inch tab made in China with a 1000 Nits screen and Android 11. The motorcycling and Aeronautical vendors seem to upscale the price though. This is a vendor from Aus who does the bare tablet. No doubt if you were prepared to trawl round ali express you'd find them even cheaper.
4G RUGGED Tablet 7" Sunlight View 1000 Nit Screen Android 11 IP67 Aussie Stock | eBay
It features a screen brightness of 1000 Nits and a massive 10000 mAh capacity battery to keep the bright screen running. with a larger battery driving the smaller screen the unit works for hours in full sun!
www.ebay.co.uk