MikroTik is within few companies that support large types of boards, With big different hardware types.
the RouterBOARD are very flexible in hardware design, and can Assimilation in other product.
The RouterBOARD sell as is and some of models have Wireless capability, Every board had is feature, like:
Board size , Number of port and type , Ram size , cpu speed, Minipci or MiniPci-E ability or non , Rs-232 or USB plug or both
Every model has different level license according to model,
MikroTik RouterBOARD sell “AS IS” , So if we want to use it as a complete product,
We need to add accessories, like : power supply , POE, case , cables ,and more..
If we want to add wireless function, then we need to add : wireless cards , RF cables Antennas Etc.
Common RouterBOARD are : RB411U, RB800 , RB433AH , RB435G