GSM Tracker Without GPS - NO PCB require

Hi All , As from Project name , I need to make GSM tracker from SIMCOM device Or other small module .

Please read carefully the requirements :

What I have Now ,

1- SIM900 module ...

It Already come with command that will replay you with longitude and latitude . Yes it work good and without any problems ,,,

the command is as following ..


and you can refer to attachment to see the command reference.

how it work : Is as following .

the command will ask for serving cell info and take mcc mcl CellID of that cell and connect with Cell's database server via TCP IP using (AT+CPBR) command to locate this cell and replay you with longitude and latitude . ( I don't have this server ip or name ) . hope every thing is clear ..

the main issue here is that the the accurate of the location is bad (10-500m)

what I need ::

the simcom module (sim900) have this command AT+CENG command to list the 7 cell in the area , i need to use this cell's info to enhance the location coordinate , by using rx LEVEL and other info.

I will use micro controller (pic18) to control the sim900 . so that I cant take each cell id and go to laptop and chick the cell location . i need

1- Connect to cell's server ( I dont have one ). but it is available in web .

2- function in mikroc to deal with measurement ( by measure the rx level between the cell and edit the longitude and latitude to get better location.)

3- the function with will give the enhance coordinate.

note , I know I cant get coordinate with high accuracy , but between 5-100 will be good for me ..

hope every thing clear ... and please only expert and who have acknowledgement paid in my project.

Færdigheder: C programmering, Elektronik, Telekommunikations Ingeniørarbejde

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Om arbejdsgiveren:
( 4 bedømmelser ) kwalampor, United Arab Emirates

Projekt-ID: #4080813

Tildelt til:


Hello! I've Ph.D. in Electronic Engineering and BSc in Physics. I work with Digital and PCB design. I can do what you need with quality and reliability!

$480 USD in 30 dage
(47 bedømmelser)

9 freelancers are bidding on average $653 for this job


hi, i can help.

$1250 USD in 20 dage
(22 bedømmelser)

Hi, I can do this job.

$300 USD in 20 dage
(12 bedømmelser)

i recommend Sim908 included GPS and GSM

$750 USD in 30 dage
(14 bedømmelser)

Dear Sir, We are Reserach and Development company whose working area are : -Digital Motor Control -Analog Design -Electronic Design -Power Electronics -PCB design -Embedded system -Matlab -Simulation of ha Mere

$400 USD in 10 dage
(10 bedømmelser)

hi, I'm eager to do this simple job..I'm working about this section also..just ensure your reply..Have a look in your message box please..

$400 USD in 15 dage
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hi please see PM

$400 USD in 30 dage
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Hello. Please see your PM. Regards.

$1100 USD in 30 dage
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Expert Firmware Design Engineer

$200 USD in 10 dage
(1 bedømmelse)

hi zenpar, I have 10 years of experience in system design and development.i can do this job for you with guarunteed [url removed, login to view] me

$200 USD in 7 dage
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Electronics Engineer with 5 r&d experience with national lavel projects and over 300 student final year projects.

$1000 USD in 3 dage
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