Ericsson T39 User Manual
Page 46
46
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Dimension
GSM 900/E-GSM
900
GSM 1800
GSM 1900
Frequency range
TX: 880 – 914 MHz
RX: 925 – 959 MHz
TX: 1710 – 1785
RX: 1805 – 1880
TX: 1850 – 1910
RX: 1930 – 1990
Channel spacing
200 kHz
200 kHz
200 kHz
Number of channels
174 Carriers *8
(TDMA)
374 Carriers *8
(TDMA)
299 Carriers *8
(TDMA)
Modulation
GMSK
GMSK
GMSK
TX Phase Accuracy
< 5º RMS Phase
error (burst)
< 5º RMS Phase
error (burst)
< 5º RMS Phase
error (burst)
Duplex spacing
45 MHz
95 MHz
80 MHz
Frequency stability
+/- 0.1
+/- 0.1
+/- 0.1
Voltage operation
(nominal)
3.6 Volts
3.6 Volts
3.6 Volts
Transmitter RF
power output
33 dBm Class 4 (2W
peak)
30 dBm Class 1 (1W
peak)
30 dBm Class 1 (1W
peak)
Transmitter Output
impedance
50 Ω
50 Ω
50 Ω
Transmitter Spuri-
ous emission
< -36 dBm up to 1
GHz
< -30 dBm over 1
GHz
(according to GSM
spec.)
< - 30 dBm
(according to GSM
spec.)
< - 30 dBm
(according to GSM
spec.)
Receiver RF level
Better than – 102
dBm
– 102 dBm
– 102 dBm
Receiver RX Bit
error rate
< 2.4%
< 2.4%
< 2.4%