White paper
W705/W705u/W705a
26
February 2009
Technical specifications
General technical data
Performance and technical characteristics
System
Quad-band GSM Release 5 recommendations, GSM 850, GSM 900,
e-GSM 900, GSM 1800, GSM 1900.
For W705 and W705u dual band UMTS/HSPA 900, 2100 supported
For W705a Tri band UMTS/HSPA 850, 1900, 2100 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 77 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)
Property
GSM 850
NOTE: W705a
GSM 900
NOTE: W705/W705u
Frequency range (MHz)
TX:824-849
RX:869-894
TX:880-915
RX:925-960
Channel spacing
5 MHz with 200 kHz channel
rasters
5 MHz with 200 kHz
channel rasters
Number of channels
102
152
Modulation
QPSK (WCDMA R99)
QPSK/16 QAM (HSDPA)
QPSK (WCDMA R99)
QPSK/16 QAM (HSDPA)
TTI
10 ms (WCDMA R99)
2 ms (HSDPA)
10 ms (WCDMA R99)
2 ms (HSDPA)
TX phase accuracy
Error Vector Magnitude:
<17.5%
Error Vector Magnitude:
<17.5%
Duplex spacing
45 MHz
45 MHz
Frequency stability
Frequency sta/-0.1
ppm
Frequency sta/-0.1
ppm
Voltage operation (nominal)
3.6 V
3.6 V
Transmitter RF power output
24 dBm Class 3 (0.25 W
peak)
24 dBm Class 3 (0.25 W
peak)