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Specification
2.
GSM General Specification
2-1.
GSM850 EGSM900 DCS1800 PCS1900
Freq.
Band[MHz]
Uplink/Downlin
824~849
869~894
k
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
ARFCN range 128~251
0~124 &
975~1023
512~885 512~810
Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz
Mod. Bit rate/
Bit Period
Time Slot
Period/Frame
Period
270.833kbps
3.692us
576.9us
4.615ms
270.833kbps
3.692us
576.9us
4.615ms
270.833kbps
3.692us
576.9us
4.615ms
270.833kbps
3.692us
576.9us
4.615ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK
MS Power 33dBm~5dBm 33dBm~-5dBm 30dBm~0dBm 30dBm~0dBm
Power Class 5pcl ~ 19pcl 0
pcl
~15
pcl
0
pcl
~15
pcl
0
pcl
~15
Sensitivity -102dBm -102dBm -100dBm -100dBm
TDMA Mux 8 8 8 8
pcl
Cell Radius 35Km 35Km 2Km 2Km
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GSM Tx Power Class
2-2.
Specification
TX Power
control
level
5 33±2
6 31±2
7 29±2
8 27±2
9 25±2
10 23±2
11 21±2
GSM
850
GSM900
dBm
dBm
dBm
dBm
dBm
dBm
dBm
TX Power
control
level
0 30±3
1 28±3
2 26±3
3 24±3
4 22±3
5 20±3
6 18±3
DCS1800
dBm
dBm
dBm
dBm
dBm
dBm
dBm
TX Power
control
level
0 30±3
1 28±3
2 26±3
3 24±3
4 22±3
5 20±3
6 18±3
PCS1800
dBm
dBm
dBm
dBm
dBm
dBm
dBm
12 19±2
13 17±2
14 15±2
15 13±2
16 11±3
17 9±3
18 7±3
19 5±3
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
7 16±3
8 14±3
9 12±4
10 10±4
11 8±4
12 6±4
13 4±4
14 2±5
15 0±5
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
7 16±3
8 14±3
9 12±4
10 10±4
11 8±4
12 6±4
13 4±4
14 2±5
15 0±5
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
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Product Function
3.
Main Function
EDGE(Rx)/GPRS Function Supporting slide phone for Music
Mega Pixel, Digital zoom(x2) Camera
-1.3
-262K
-
-
-3.5Ø4
-
-
-
Color QCIF TFT LCD
Internal memory:15MB, External memory: up to8GB
Bluetooth v2.0, USB v2.0 Full Speed
Pin Earjack
FM radio with RDS
Built in Large Speaker(Mono,17
Music Library, DISC UI,Find Music, DNSe
Ø)
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10.
Reference data
Reference Abbreviate
ADC :
―
AMPS :
―
― BGA :
― BPF :
― CDMA :
DL :
―
FTP :
―
GPS :
―
― MMS :
PBA :
―
PCS :
―
PIM(S) :
―
QPSK :
―
RF :
―
RSS :
―
SAW :
―
SMS :
―
TCXO :
―
TSP :
―
UL :
―
USB :
―
Analog to Digital Converter
Advanced Mobile Phone System(analog IS-95)
Global Positioning System
Radio Frequency
Uplink
Ball Grid Array
Band Pass Filter
Code Division Multiple Access
Downlink
File Transfer Protocol
Multimedia Messaging Service
Panel Board Assembly
Personal Communication System
Personal Information Management(System)
Quadrature Phase Shift Keying
Received Signal Strength
Surface Acoustic Wave
Short Message Service
Temperature Compensated Crystal Oscillator
Touch Screen Panel
Universal Serial Bus
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Safety Precautions
1.
Repair Precaution
1-1.
Repair in Shield Box, during detailed tuning.
―
Take specially care of tuning or test, because the specification of cellular phone is sensitive for
surrounding interference(RF noise).
Be careful to useakind of magnetic object or tool, because performance of parts is damaged by
―
the influence of magnetic force.
Surely useastandard screwdriver when you disassemble this product, otherwise screw will be
―
worn away.
Useathicken twisted wire when you measure level.
―
thicken twisted wire has low resistance, therefore error of measurement is few.
A
Repair after separate Test Pack and Set because for short danger(for example an overcurrent
―
and furious flames of parts etc) when you repair board in condition of connecting Test Pack and
tuning on.
Take specially care of soldering, because Land of PCB is small and weak in heat.
―
Surely tune on/off while using AC power plug, becausearepair of battery charger is dangerous
―
when tuning ON/OFF PBA and Connector after disassembling charger.
Don't use as you pleases after change other material than replacement registered on SEC System.
―
Otherwise engineer in charge isn't charged with problem that you don't keep this rules.
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