Sony Ericsson T68ie Performance and technical characteristics, Dimension GSM 900/E-GSM, Tdma

T68i

White Paper, April 2002

Data transmission rate	up to 108,800 bps with one time slot
Specific commands working	No
with the SIM card
Support of multipoint	No
connections

Performance and technical characteristics

Dimension	GSM 900/E-GSM	GSM 1800	GSM 1900
	900
Frequency range	TX: 880 – 914 MHz	TX: 1710 – 1785	TX: 1850 – 1910
	RX: 925 – 959 MHz	RX: 1805 – 1880	RX: 1930 – 1990
Channel spacing	200 kHz	200 kHz	200 kHz
Number of channels	174 Carriers *8	374 Carriers *8	299 Carriers *8
	(TDMA)	(TDMA)	(TDMA)
Modulation	GMSK	GMSK	GMSK
TX Phase Accuracy	< 5º RMS Phase	< 5º RMS Phase error	< 5º RMS Phase
	error (burst)	(burst)	error (burst)
Duplex spacing	45 MHz	95 MHz	80 MHz
Frequency stability	+/- 0.1	+/- 0.1	+/- 0.1
Voltage operation (nominal)	3.6 Volts	3.6 Volts	3.6 Volts
Transmitter RF power output	33 dBm Class 4 (2W	30 dBm Class 1 (1W	30 dBm Class 1 (1W
	peak)	peak)	peak)
Transmitter Output	50 Ω	50 Ω	50 Ω
impedance
Transmitter Spurious	< -36 dBm up to 1	< - 30 dBm	< - 30 dBm
emission	GHz	(according to GSM	(according to GSM
	< -30 dBm over 1	spec.)	spec.)
	GHz
	(according to GSM
	spec.)
Receiver RF level	Better than – 102	– 102 dBm	– 102 dBm
	dBm
Receiver RX Bit error rate	< 2.4%	< 2.4%	< 2.4%

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