The Grundig comes with an external telescoping antenna that swivels and bends, which is adequate for FM. AM and Shortwave utilize an internal wirewound bar antenna like most pocket radios from the 70s and 80s. It is not great, but it will get decent coverage. Being a Licensed Radio tech for a living, I have attached a long wire to the AM input with excellent results, but it would take a fair amount of knowledge or trial and error for the novice to get to perform adequately. It really could've used an external antenna port. However, it has survived blizzard conditions outside at elk camp. I dug it out of the snow and it was working fine.
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)