day 1new...cell phone history
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8/3/2019 Day 1new...Cell Phone History
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History of History of
Cellular PhonesCellular PhonesSAMUEL MORSE
Conceived an electromagnetic telegr aph in 1832 and constructed an experimental version in 1835
Introduced the concept of wireless by conduction, the first device
to send messages by electricity in 1842
MARTIN COOPERThe f ather of the cellular phone
Hired by Motorola in 1954, Mr. Cooper worked on developing
portable products, including the first portable handheld police r adios, made for the Chicago police department in 1967. He then
led Motorola's cellular research.
On April 3, 1973, at a public demonstr ation and using a heavy 30-
ounce phone, Martin Cooper placed the first cell phone call to his
rival at AT&T Bell Labs from the streets of New York City.
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The First Cellphone (1973) - Price
: $3,500
Name: Motorola Dyna-Tac
Size: 9 x 5 x 1.75 inches
Weight: 2.5 pounds
Display: None
Number of Circuit Boards: 30
Talk time: 35 minutes
Rechar ge Time: 10 hoursFeatures: Talk, listen, dial
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How Did We Get Here?How Did We Get Here?
As early of 1908 there is one U.S. patent, patent number, 887357 for a wireless telephone, Issued to NATHAN B. STUBBLEFIELD of Murr ay, Kentucky. However the first commercial cellular network was launched in Japan by
NTT in 1979. Fully automatic cellular networks were first introduced in the early to mid 1980s (the 1G gener ation).
The first ³ modern ³ network technology on Digital 2G
cellular technology was launched in 1991 in Finland.
The first commercial launch of 3G was again
in Japan by NTT DoCoMo.
The invention of Cer amic component give
realization to wireless communication
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MOBILE OR MOBILE OR
CELLULAR PHONECELLULAR PHONE
Long r ange, portable electronic device for peer -to-peer telecommunications over longdistances.
After the name ³cell´ (the cover age/geogr aphic area) was applied to the ³cell site´ (the base station location)covered by each antenna.
Cell site is a site composed of antennatower and electronic communications
equipment placed to create a cell in cellular network for the use of mobile phones.
AUTO SLIDE
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CELL SITES AND CELLS
Why a hexagon and not a circle?
hexagon circle
AUTO SLIDE
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System Operation
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System Operation
Alphanumericcode
Cell site Cell site
MTSO (Mobile
Telephone Switching Office)
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1G, 2G, and 3G1G, 2G, and 3G
1G ± First Gener ation Technology Analog cellular phones
2G ± Second Gener ation Technology Digital Cellular phones
3G ± Third Gener ation Technology Digital with cameras and has a greater
bandwidth allowing faster data downloads
and face-to-face video calling.
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FROM 1G, 2G, TO 3G PHONE
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What isWhat is GSMGSM??
The most popular standard for mobile phones in
the world enabling subscribers to make
international roaming.
Higher digital voice quality and low cost
alternatives to making calls such as text
messaging.
A digital communication technology used by
some carriers to provide Personal Communication Service.
(Global Standard for Mobile)(Global Standard for Mobile)
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NETWORK FREQUENCY
900 MHz Philippines and other countries1800 MHz
800 MHz United States and other countries1900 MHz
DARKFLASH
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ACRONYMSACRONYMSNTC ± N ational T elecommunicationC ommissionIMEI ± I nternational M obile E quipment I dentity
SIM ± S ubscriber I dentity M odulePIN ± P ersonal I dentification N umber GSM ± G lobal S tandard for M obile CommunicationSMS ± S hort M essage S erviceMMS ± M ultimedia M essaging S ervice
EMS ± E nhanced M essaging S erviceGPRS ± G lobal P acket R adio S erviceNSE ± N okia S ervice E quipmentMTSO ± M obile T elephone S witching O fficeCCP ± Compact Camera Port T elephoneUI IC ± User Interface Integrated Circuit
MCC ± Manufacturer¶s Country CodeSFS ± Special Factor y Set
IMSI ± International Mobile Subscriber IdentityUPP ± Universal Phone Processor GDFS- Global Data File System
WCDMA-Wide-Band Coded Division Multiple Access
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ACRONYMSACRONYMSPPM ± P ost P rogramming M emory (Language Package)
PM ± P ermanent M emoryMCU ± M icroprocessor C omponent U nitSFR ± S et F actory R estoreUSB ± U niversal S erial BusASIC ± Application S pecial I ntegrated C ircuitCOBBA ± C ommon Base Band Analog (Audio IC)
CCONT ± C urrent C ontroller (Power IC)ROM ± R ead O nly M emoryRAM ± R andom Access M emoryEEPROM ± E lectronically E rasable P rogrammableR ead O nly M emoryUEM ± U niversal Equipment M oduleESD- Electro Static DischargeFAID- Flash Authority IdentificationBSI- Battery Size Indicator ADSP- Advanced Digital Signal Processor APE- Application Processor EngineFIA- Flash Identification Address
BB5- Base Band Five
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ACRONYMSACRONYMS
DCT ± Digital C ommunication T echnology
DCT3 ± 5110, 3210, 33XX, 6210, 7110,
8210, 5510, 2100, etc.
DCT4 ± 3100, 3530, 2650,1100, 6610, 6220, 7250, etc.
WD2±
6600, 3650, 7610,7650, 3230NGAGE, 6260 etc.
BB5- 6630, 6680, N70, N73, N90, N80,
6682, 9300 etc.
DCTX BB5
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NOKIA CODESNOKIA CODES
IMEI Version
Reset
Countr y
Manuf actured Partial Reformat
Full Reformat
Spider Formatting
(Phone OFF)
*#06#
*#0000#
*3370# (DCT3)
*#92702689#*7780#
*#7370#
*, 3, Call Key, Power Switch key (Press
simultaneously)
SECRET CODES LG CODES
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International Mobile Equipment IdentityInternational Mobile Equipment Identity
TAC
MC SN CD
TAC ± Type A pproval Code
MC ± Manufacturer¶s Code
SN ± Serial Number
CD ± Check Digit
Country
Code
Final
Assembly
Code
15 digits15 digits
35 1467 ± 10 537919 ± ± 8
IMEIIMEI
NOKIA MASTER CODE
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NETWORK CODENETWORK CODE
515 - PHIL. NETWORK CODE
51502 - GLOBE / TM51503 - SMART / TALK & TEXT
51505 - SUN CELLULAR
UNLOCKING
CALCULATOR
BY HARIS
UNLOCKING
CALCULATOR
By WORLD UNLOCK