Sony Ericsson V640i Vodafone, Белая книга

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White paper V640i
26 October 2007
USSD technical data
Receiver RF sensitivity Better than –106.7 dBm @ 12.2 Kbps CS voice
Receiver RX Bit error rate < 0.1%
Dimension GSM 900/
E-GSM 900 GSM 1800 GSM 1900
Frequency range (MHz) 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
Number of channels 174 Carriers *8
(TDMA) 374 Carriers *8 (TDMA) 299 Carriers *8 (TDMA)
Modulation GMSK, 8PSK GMSK,
Umph
GMSK,
Umph
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 ppm +/– 0.1 ppm +/– 0.1 ppm
Voltage operation (nominal) 3.6 V 3.6 V 3.6 V
Transmitter RF power
output 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
Transmitter Spurious
emission (according to
specification) < –36 dBm up to 1
GHz
< –30 dBm over 1 GHz <
Ó
30 dBm <
Ó
30 dBm
Receiver RF sensitivity Better than
Ó
102 dBm
Ó
102 dBm
Ó
102 dBm
Receiver RX Bit error rate < 2.4% < 2.4% < 2.4%
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USSD support GSM Phase 1/2 (Cross-phase compatibility)
Mode support -mode UI-mode supported
SAT initiated USSD supported
UI-mode details • It is possible to scroll the text up and down in USSD messages.
• It is possible to highlight embedded numbers and take actions
accordingly.
Dimension WCDMA 2100