Nokia 7250, 7250i Service Manual
NHL-4J/NHL-4JX
Company confidential
General Information
CCS Technical Documentation
Page 6
Nokia Corporation.
Issue 2 06/03
Technical Specifications
General Specifications of Transceiver NHL-4J/NHL-4JX
Note! Dual slot GSM900 data uses power class 5 (0.8W).
Battery endurace
Nokia measurements of the operational times in GSM 900/1800 are:
Unit
Dimensions (mm)
(L x W x T)
Weight
(g)
Volume
(cm
(cm
3
)
Transceiver with BLD-3 720mAh Li-
Ion battery pack
Ion battery pack
106 x 44.2 x 18.9
92
72.8
Parameter
Unit
Cellular System
EGSM900, GSM1800 and GSM1900
RX Frequency Band
EGSM900: 925 - 935 MHz
GSM1800: 1805 - 1880 MHz
GSM1900: 1930 - 1990 MHz
GSM1800: 1805 - 1880 MHz
GSM1900: 1930 - 1990 MHz
TX Frequency Band
EGSM900: 880 - 890 MHz
GSM1800: 1710 - 1785 MHz
GSM1900: 1850 - 1910 MHz
GSM1800: 1710 - 1785 MHz
GSM1900: 1850 - 1910 MHz
Output Power
EGSM900 : +5 ...+33 dBm / 3.2 mW ... 2 W
GSM1800: +0 ...+30 dBm / 1.0 mW ... 1 W
GSM1900: +0 ...+30 dBm / 1.0 mW ... 1 W
GSM1800: +0 ...+30 dBm / 1.0 mW ... 1 W
GSM1900: +0 ...+30 dBm / 1.0 mW ... 1 W
Number of RF Channels
EGSM900: 174
GSM1800: 374
GSM1900: 300
GSM1800: 374
GSM1900: 300
Channel Spacing
200 kHz
Number of TX Power Levels
EGSM900 *: 15
GSM1800: 16
GSM1900: 16
GSM1800: 16
GSM1900: 16
Talk time*
Battery : BLD-3
up to 2 – 5 hours
Talk time variations:
Integrated Handsfree (IHF) talk time**
up to 1 h 45 min – 3 h 45 min
Standby time*
Battery: BLD-3
up to 150 – 300 hours