Kuwa dhexeeya ay ku sameyn jirin macluumaadka telekomuun ee si gaar ah, waxaa lagu talagalay moduulka dab markaas wuxuu ka mid ah iyaga si toos ah. Fikan, moduulka dabka waxaa la talagalay carruurta baseband, carruurta radio frequency, carruurta optical transceiver, iyo caawimaada kale. Waxay sii jeeda dabka ee ugu yaraan kartidhanka dabka ee qofka ama batteryka haddii aad ugu sameeyo voltaga iyo amperaadka ah. Si guur ah, moduulka dabka waxay ka hadlay carruurtada telekomuunka la sameyn doonaa inay uga soo deggan tahay voltaga ah, filteeringgaha noise, overcurrent, overvoltage, iyo short-circuit condition protection.