Very very simple! Router kwa ajili ya functionality ndogo namna hiyo ziko nyingi ---
You just buy DLink, it actually has 4 Ethernet ports for cable connections
So kama mahitaji yako ni computers tano, then angalia uwezekano wa kuunganisha moja ya hizo computers through wireless. kama computer zote hazina wireless cards au unayo special issue ya kuchagua cable connections then itabidi ununue extended ethernet switch ili kupata more ports