When entering WEP codes into your wireless product, you better do it right, or you won’t get a connection!One ASCII Character is Eight (8) BitsOne HEX Character is Four (4) Bits40 or 64 bit ASCII WEP code has 5 characters40 or 64 bit HEX WEP code has 10 characters128 bit ASCII WEP code has 13 characters128 bit HEX WEP code has 26 characters For more information on why these numbers are the way they are, go here.Share this post Eric Geier Eric Geier is a freelance tech writer. He’s also the founder of NoWiresSecurity, providing a cloud-based Wi-Fi security service; Wi-Fi Surveyors, providing RF site surveying; and On Spot Techs, providing general IT services.