The iPad A1403 is backward compatible with 3G network and the iPad A1403 will switch between networks based on availability. However, it will always default to 4G LTE network if available.
Verizon also provides access to its patented online service called iCloud. You will be able to store your music, photos, file or other media on iCloud. In addition, you will be ale wirelessly push them to all your wireless devices with Verizon 4G LTE.
Verizon claims that Verizon 4G LTE covers six times more cities and locations than AT&T 4G LTE. There is no independent confirmation of this information available though.
Verizon provides following data plans for the iPad A1403: