Performance And Technical Characteristics - Sony Ericsson T300 White Paper

Feature
MMS User Agent will report problems to user
in case of:
Instant messaging/ Chat
Feature
Support of instant messaging
Chat application

Performance and technical characteristics

Dimension
Frequency range
Channel spacing
Number of channels
Modulation
TX Phase Accuracy
Duplex spacing
Frequency stability
Voltage operation (nominal)
Transmitter RF power output
Transmitter Output
impedance
Support in the T300/T302
• message not sent causes no user subscription to
service, if included in ResponseText (please see
WAP209)
• message not sent causes required functionality
not supported by MMS Relay/Server, if included
in ResponeText (please see WAP209)
• message not sent causes insufficient credit (in
case of prepaid charging), if included in Respone-
Text (please see WAP209)
Support in the T300/T302
No
Yes, SMS as the radio bearer.
GSM 900/E-GSM
900
TX: 880 — 914 MHz
RX: 925 — 959 MHz
200 kHz
174 Carriers *8
(TDMA)
GMSK
< 5º RMS Phase
error (burst)
45 MHz
+/- 0.1
3.6 Volts
33 dBm Class 4 (2W
peak)
Ω
50
White Paper, August 2002
GSM 1800
TX: 1710 — 1785
RX: 1805 — 1880
200 kHz
374 Carriers *8
(TDMA)
GMSK
< 5º RMS Phase error
(burst)
95 MHz
+/- 0.1
3.6 Volts
30 dBm Class 1 (1W
peak)
Ω
50
T300/T302
GSM 1900
TX: 1850 — 1910
RX: 1930 — 1990
200 kHz
299 Carriers *8
(TDMA)
GMSK
< 5º RMS Phase
error (burst)
80 MHz
+/- 0.1
3.6 Volts
30 dBm Class 1 (1W
peak)
Ω
50
53