What is the difference between the following modules?
EC200UEUAA-N05-SGNSA
EC200UEUAA-N05-SNNSA
EC200UEUAB-N05-SNNSA
SGNSA means that that it support GPS.
G is for GNSS.
AA and AB , AB normally is much newer than AB.
Maybe the Flash and ram chip is not the same.