Technical information
Technical Site Documentation - myC-1
Ref. SCT U38 SSC DTS 0016 - Index A – May 6, 2004 Page 2-2
CHAPTER 2 - DESCRIPTION - OPERATION
2.1 REMINDERS ABOUT THE GENERAL NETWORKS CHARACTERISTICS
Table 1 below gives the characteristics of the radio interface for the GSM 850 / 900, GSM 1800 and GSM 1900
systems :
GSM 850 GSM 900 GSM 1800 PCS 1900
Frequency Band (MHz)
824 - 849
869 - 894
890 - 915
925 - 960
1710 - 1785
1805 - 1880
1850 - 1910
1930 - 1990
Number of time intervals
per TDMA frame
8
Width 2 x W simplex
(MHz)
2 x 25 2 x 25 2 x 75 2 x 60
Duplex spacing (MHz) 45 45 95 80
Modulation speed (kbit/s) 271
Speech throughput
(kbit/s)
13 (5,6)
Maximum data
throughput (kbit/s)
12
Multiple access Frequency and temporal multiplexing / frequency duplexing
Cell radius (km) 0,3 to 30 0,1 to 4 0,1 to 4
SAGEM terminal power
(W)
2 2 1 1
Table 1 : Radio Interface
Table 2 shows powers as a function of the network :
GSM 850 / 900 GSM 1800 PCS 1900
Class
number
Maximum
nominal
power (W)
Allowable
interval (W)
Maximum
nominal
power (W)
Allowable
interval (W)
Maximum
nominal
power (W)
Allowable
interval (W)
1 - - 1 [0,63 ; 1,6] 1
2 8 [5,0 ; 12,7] 0,25 [0,16 ; 0,4] 0,25
3 5 [3,2 ; 7,9] 4 [2,5 ; 6,3] 2
4 2 [1,3 ; 3,2]
5 0,8 [0,5 ; 1,3]
Table 2: Terminals power class