i want to change the board on my note 3,my current one is working fine but its not 4G

so i have note 3 SM-N900 , i wanted to change the board on it so i can have 4G internet. If i buy the board and change it will their be any issues i should be aware of? The board is like 60$, it sates that it is unlocked and Europea version, n9005 32 gb.