White paper
W205
19
April 2009
Technical specifications
General technical data
Performance and technical characteristics
System
GSM/GPRS, Dual-band 900/1800 or 850/1900 MHz
Speech coding
HR, FR, EFR, AMR supported where available, for high speech quality
GSM SIM/USIM card
Small plug-in card, 1.8 V and 3 V
Memory (user free)
Up to 5.0 MB (Min. 5.0 MB)
Data transfer speeds
Up to 85.6 Kbps (downlink)
Up to 21.4 Kbps (uplink)
Dimension
GSM 850
GSM 900
GSM 1800
GSM 1900
Frequency range (MHz)
TX: 824–849
RX: 869–894
TX: 880–915
RX: 925–960
TX: 1710–1785
RX: 1805–1880
TX:1850–1910
RX:1930–1990
Channel spacing
200 kHz
200 kHz
200 kHz
200 kHz
Number of channels
124 Carriers *8
(TDMA)
174 Carriers *8
(TDMA)
374 Carriers *8
(TDMA)
299 Carriers *8
(TDMA)
Modulation
GMSK
GMSK
GMSK
GMSK
TX Phase Accuracy
< 5º RMS Phase
error (burst)
< 5º RMS Phase
error (burst)
< 5º RMS Phase
error (burst)
< 5º RMS Phase
error (burst)
Duplex spacing
45 MHz
45 MHz
95 MHz
80 MHz
Frequency stability
+/- 0.1ppm
+/- 0.1ppm
+/- 0.1ppm
+/- 0.1ppm
Voltage operation
(nominal)
3.7 V
3.7 V
3.7V
3.7 V
Transmitter RF power
output
33 dBm Class 4
(2 W peak)
33 dBm Class 4
(2 W peak)
30 dBm Class 1
(1 W peak)
30 dBm Class 1
(1 W peak)
Transmitter output
impedance
50 ohm
50 ohm
50 ohm
50 ohm
Transmitter spurious
emission (according to
specification)
< -36 dBm up to
1 GHz
< -30 dBm over 1
GHz
< -36 dBm up to
1 GHz
< -30 dBm over 1
GHz
< - 30 dBm
< - 30 dBm
Receiver RF sensitivity
Better than – 102
dBm
Better than – 102
dBm
Better than – 102
dBm
Better than – 102
dBm
Receiver RX Bit error
rate
< 2.4%
< 2.4%
< 2.4%
< 2.4%
