Macrocells TRMS < 8 msec
GSM (256 kbit/s) uses an equalizer
IS-54 (48 kbit/s): no equalizer
Longer delays in mountanous regions (GSM in Switzerland)
Microcells TRMS < 2 msec
Low antennas (below tops of buildings)
Picocells TRMS < 50 nsec - 300 nsec
Indoor often 50 nsec is assumed
DECT (1 Mbit/s) works well up to 90 nsec