Sony Ericsson C903 Benutzerhandbuch

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C903

28

February 2009

System

Quad-band Edge: GSM 850/900/1800/1900 
UMTS band 1/8 supported

Speech coding

HR, FR, EFR, AMR, supported where available, for high speech 
quality.

GSM SIM/ UMTS USIM/SIM 
card

GSM SIM - 3GPP TS 51.011; UMTS USIM - 3GPP TS 31.102; UMTS 
ISIM - 3GPP TS 31.103.
Small plug-in card, 1.8 V and 3 V.

Memory

Up to 100 MB internal (depending on software configuration/file 
content) plus extra slot for supported memory cards.

Data transfer speeds

Up to 7.2 Mbps (downlink, HSDPA, cat 8)
Up to 2.0 Mbps (uplink, HSUPA, cat 5)

Frequency range (MHz)

TX: 824

–

849

RX: 869

–

894

TX: 880

–

915

RX: 925

–

960

Channel spacing

200 kHz

200 kHz

Number of channels

124 Carriers *8 (TDMA)

174 Carriers *8 (TDMA)

Modulation

GMSK

GMSK

TX phase accuracy

< 5º RMS phase error 
(burst)

< 5º RMS phase error 
(burst)

Duplex spacing

45 MHz

45 MHz

Frequency stability

+/- 0.1 ppm

+/- 0.1 ppm

Voltage operation (nominal)

3.6 V

3.6 V

Transmitter RF power output

33 dBm Class 4
(2 W peak)

33 dBm Class 4
(2 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

< –36 dBm up to 1 GHz
< –30 dBm over 1 GHz

Receiver RF sensitivity

Better than –104 dBm

Better than –102 dBm

Receiver RX bit error rate

< 2.4%

< 2.4%