For years Amtrak has been offering WiFi on some of their trains and are now running into issues with bandwidth. With a lot of Internet activities requiring more bandwidth it’s now time for system upgrades to deal with existing problems in the system. According to Amtrak’s press statement, their plan is to upgrade their cellular powered train WiFi to 4G LTE. "Implementation has already begun on Acela Express and is currently undergoing stabilization and optimization activities," says the company. The equipment Amtrak intends to use hasn’t been announced yet, but we guess it may be based around the Cradlepoint COR IBR600LE series, which are ideal for mobile applications in trains or buses.