White paper
S312
20
September 2009
Technical specifications
General technical data
Performance and technical characteristics
System
Dual band. e-GSM 900, GSM 1800. GPRS and EDGE in all bands.
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 (built-in)
No less than 15 MB internal (depending on software configuration/file
content). Memory Stick Micro™ (M2™) which has a capacity of up to
2GB.
Data transfer speeds
Up to 85.6 Kbps (downlink)
Up to 42.8 Kbps (uplink)
Dimension
GSM 900/E-GSM 900
GSM 1800
Frequency range (MHz)
TX: 880–915
RX: 925–960
TX: 1710–1785
RX: 1805–1880
Channel spacing
200 kHz
200 kHz
Number of channels
174 Carriers *8 (TDMA)
374 Carriers *8 (TDMA)
Modulation
8PSK/GMSK
8PSK/GMSK
TX phase accuracy
< 5º RMS Phase error (burst)
< 5º RMS Phase error (burst)
Duplex spacing
45 MHz
95 MHz
Frequency stability
+/- 0.1ppm
+/- 0.1ppm
Voltage operation (nominal)
3.6 V
3.6 V
Transmitter RF power output
33 dBm Class 4
(2 W peak)
30 dBm Class 1
(1 W peak)
Transmitter Output impedance
50 ohm
50 ohm
Transmitter Spurious emission
(according to specification)
< –36 dBm up to 1 GHz
< –30 dBm over 1 GHz
< –30 dBm
Receiver RF sensitivity
Better than –102 dBm
–102 dBm
Receiver RX Bit error rate
< 2.4%
< 2.4%
