White Paper
J300
28
July 2005
Performance and technical characteristics
Colours
Sensitive White
Plucky Pink
Midnight Grey
Battery
BST-36, 3,6V, 750mAh
Power save
Yes
Keypad
Front: keypad supporting 16 keys (2 selection keys, c-key, back key
and numeric keys) plus joystick
C-key acts as an On/Off key
Co-branding area
22 x 7mm
Exchangable covers
Yes
Dimension
GSM 900/E-GSM 900
GSM 1800
GSM 1900
GSM 850
Frequency
range
Tx: 880 – 915 MHz
Rx: 925 – 960 MHz
Tx: 1710 –
1785 MHz
Rx: 1805 –
1880 MHz
Tx:1850 –1910
MHz
Rx:1930 – 1990
MHz
Tx: 824 – 849
MHz
Rx: 869 – 894
MHz
Channel spac-
ing
200 KHz
200 KHz
200 KHz
200 KHz
Number of
channels
174 Carriers *8 (TDMA)
374 Carriers *8
(TDMA)
299 Carriers *8
(TDMA)
174 Carriers *8
(TDMA)
Modulation
GMSK
GMSK
GMSK
GMSK
Tx Phase
Accuracy
< 5º RMS Phase error
burst
< 5º RMS
Phase error
burst
< 5º RMS Phase
error burst
< 5º RMS Phase
error burst
Duplex spacing
45 MHz
95 MHz
80 MHz
45 MHz
Frequency sta-
bility
+/- 0.1ppm
+/- 0.1ppm
+/- 0.1ppm
+/- 0.1ppm
Voltage opera-
tion (nominal)
3.6 V
3.6 V
3.6 V
3.6 V
Transmitter RF
power output
33 dBm Class 4
(2W peak)
30 dBm Class
1
(1W peak)
30 dBm Class 1
(1W peak)
33 dBm Class 4
(2W peak)
Transmitter
Output imped-
ance
50 ohm
50 ohm
50 ohm
50 ohm