Here are the .tar files for the Modems, for when you want to change between Modem Versions
The files get flashed using ODIN, with the files placed in the PDA file location within ODIN
2.2 - DK28_modem.tar
2.2 - EB13_modem.tar
2.2 - EC05_modem.tar
2.3 - ED12_modem.tar
2.3 - EE03_modem.tar
2.3 - EF02_modem.tar
The files get flashed using ODIN, with the files placed in the PDA file location within ODIN
2.2 - DK28_modem.tar
2.2 - EB13_modem.tar
2.2 - EC05_modem.tar
2.3 - ED12_modem.tar
2.3 - EE03_modem.tar
2.3 - EF02_modem.tar