Faks-modem – tajhizotest, ki dar khud imkoniyathoi ham modem va ham apparathoi faksiro hamjoya namuda, baroi bo digar tajhizoti hamjinsi khud yo apparathoi muqarrarii telefaksi barpo namudani mubodilai tasvirhoi faksimali khizmat merasonad.
Qismi ziyodi modemhoi imruza faks-modemand. Baze modemho imkoniyathoi ovoziro niz dorand va metavonand ba sifati javobdihaki avtomati istifoda burda shavand. Modemho dar namudhoi dokhili (platai elektronii ba shinai ISA payvastshuda) va beruni (hamchun tajhizoti alohida) istehsol karda meshavand.