Complex sentence: For backwards compatibility the IS-95 standard also supports CDMA Circuit Switched Data however unlike TDMA there are no time slots, all CDMA radios can be active all the time to deliver up to 14.4 kbit/s data transmission speeds.
Split into simpler sentences: For backwards compatibility, the IS-95 standard also supports CDMA Circuit Switched Data. However, unlike TDMA, there are no time slots, and all CDMA radios can be active all the time to deliver up to 14.4 kbit/s data transmission speeds.