# TDMA - Time-division multiple access Used by: - [[2G - Digital cellular telephony|2G]]/[[GSM - Global System for Mobile communication|GSM]] - [[2G - Digital cellular telephony|2G]]/[[D-AMPS - Digital AMPS]] TDMA is a [channel access method](https://en.wikipedia.org/wiki/Channel_access_method "Channel access method") for [shared-medium networks](https://en.wikipedia.org/wiki/Shared-medium_network "Shared-medium network"). It allows several users to share the same [frequency channel](https://en.wikipedia.org/wiki/Frequency_channel "Frequency channel") by dividing the signal into different time slots.