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27
PP
PP
ee
ee
rr
rr
ff
ff
oo
oo
rr
rr
mm
mm
aa
aa
nn
nn
cc
cc
ee
ee
AA
AA
nn
nn
dd
dd
TT
TT
ee
ee
cc
cc
hh
hh
nn
nn
ii
ii
cc
cc
aa
aa
ll
ll
CC
CC
hh
hh
aa
aa
rr
rr
aa
aa
cc
cc
tt
tt
ee
ee
rr
rr
ii
ii
ss
ss
tt
tt
ii
ii
cc
cc
ss
ss
Dimension GSM 900/E-GSM 900 GSM 1800
Frequency range TX: 880 – 914 MHz
RX: 925 – 959 MHz
TX: 1710 – 1785
RX: 1805 – 1880
Channel spacing 200 kHz 200 kHz
Number of channels 174 Carriers *8 (TDMA) 374 Carriers *8 (TDMA)
Modulation GMSK GMSK
TX Phase Accuracy < 5º RMS Phase error (burst) < 5º RMS Phase error (burst)
Duplex spacing 45 MHz 95 MHz
Frequency stability +/- 5 ppm (downlink RX) +/- 175 Hz (downlink RX)
Voltage operation (nominal) 3.0 Volts 3.0 Volts
Transmitter RF power out-
put
33 dBm Class 4 (2W peak) 30 dBm Class 1 (1W peak)
Transmitter Output imped-
ance
50 Ω 50 Ω
Transmitter Spurious emis-
sion
< -36 dBm up to 1 GHz
< -30 dBm over 1 GHz
(according to GSM spec.)
< - 30 dBm
(according to GSM spec.)
Receiver RF level Better than – 102 dBm -100 dBm
Receiver RX Bit error rate < 2% < 2.43%
*) No DTX activated