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Specification
2.
GSM General Specification
2-1.
GSM850
Phase 1
Freq.
Band[MHz]
Uplink/Downlink
ARFCN range 128~251
Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz 190MHz
Mod. Bit rate/
Bit Period
Time Slot
Period/Frame
Period
824~849
869~894
270.833kbps
3.692us
576.9us
4.615ms
EGSM 900
Phase 2
880~915
925~960
0~124 &
975~1023
270.833kbps
3.692us
576.9us
4.615ms
DCS1800
Phase 1
1710~1785
1805~1880
512~885 512~810
270.833kbps
3.692us
576.9us
4.615ms
PCS1900 WCDMA2100
1850~1910
1930~1990
270.833kbps
3.692us
576.9us
4.615ms
1922~1977
2112~2167
UL:9612~9888
DL:10562~108
38
3.84Mcps
FrameLength:
10ms
Slotlength:
0.667ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK QPSKHQPSK
MS Power 33dBm~5dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Class 5pcl ~ 19pcl 5
Sensitivity -102dBm -102dBm -100dBm -100dBm -106.7dBm
TDMA Mux 8 8 8 8 8
Cell Radius 35Km 35Km 2Km 2Km 2Km
pcl
~19
pcl
pcl
0
~15
pcl
pcl
0
~15
pcl
24dBm~-
50dBm
max+24dBm)
3(
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GSM TX power class
2-2.
Specification
TX Power
control
GSM850
level
533±2
631±2
729±2
827±2
925±2
10 23±2
11 21±2
12 19±2
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
TX Power
control
EGSM900
level
533±2
631±2
729±2
827±2
925±2
10 23±2
11 21±2
12 19±2
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
TX Power
control
DCS1800
level
030±3
128±3
226±3
324±3
422±3
520±3
618±3
716±3
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
TX Power
control
PCS1900
level
030±3
128±3
226±3
324±3
422±3
520±3
618±3
716±3
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
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
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
814±3
912±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
814±3
912±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
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Product Function
3.
Main Function
Multimedia capability
―
Music player, Voice Recorder
―
Navigation
―
Video editor
―
Organizer-Alarms, Calculator,Memo,Task Manager,Converter,World Clock,Stopwatch, Timer
―
Synchronise
―
Bluetooth
―
Phone contacts
―
Voice recorder
―
Games
―
TV OUT
―
Auto Brightness Control
―
Acceleration Sensor
―
Light Sensor
―
Mag Sensor
―
FM radio
―
WiFi
―
Mega Pixel, Camcorder,Video Player
-12
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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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