GSM frame -

When GSM and CDMA were the only technologies available, it was simple to distinguish between the two: GSM phones featured SIM card slots, but

Each GSM slot, and hence each GSM burst lasts for mS Eight of these burst periods are grouped into what is known as a TDMA

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fa chai slot png Finally, if the mobile is beyond the 35 km cell range of GSM, the transmission will arrive in a neighbouring time slot and be ignored It is this feature