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[OT] Reason for delay at GSM cellphone startup ?
Started by Anton Erasmus 9 years ago
Hi,
Anyone doing work on GSM cellphones ?
All the GSM cellphones I have used, cannot search for a phone number
for something like 10 to 20 seconds after the link has been
established at switchon. What is so resource hungry that a simple
search through the addressbook cannot be done during t...![[OT] Reason for delay at GSM cellphone startup ?](http://cdn.embeddedrelated.com/images/
icon_more.jpg){kind=small}
GSM/GPRS query
Started by dmm 9 years ago
We're currently using a Wavecom GSM for monitoring industrial flow
equipment on customers sites, and wish to upgrade to a GSM/GPRS module.
Can anyone recommend one such module that is easy to program,
reliable, supported by the manufacturer, and of course cheap?
...problem in receiving data from GSM module to 8051 microcontroller
kamalesh - 2010-11-10 09:37:00
Hi,
I am doing a project using 8051 and GSM module,SIM900B. I am using a 8051
microcontroller to send AT commands to GSM module and store the data in an
array and send the stored data as a text message to a mobile . I am able to
see both gsm module and microcontroller unit working perfectly when
co...Cheap GSM module
Ansatt - 2006-07-05 01:53:00
I'm searching for a cheap GSM module, but could only find expensive
ones. Does it exist GSM module in the range 50-100$ (In single
quantity).
--
Regards
Ole Asbjorn Fadum
Scanmar AS
...cheapest GSM module
kiranar - 2008-02-08 15:45:00
hi all
i want a cheapest GSM modem( no GPRS or edge required). my requirement is
only to send SMS. and i want it to be as simple and as cheap as possible.
can any one tell what is the price of cheapest GSM modem available.
...GSM/GPRS connection from a balloon
Albert Goodwill - 2007-08-13 00:52:00
Hello Everybody,
Expert advise required on GSM/GPRS connection;
I want to send/receive data to/from a balloon carrying some sensor.
Initially balloon will be tight to a rope and will rise gradually in
human control.
It will send altitude, temperature, humidity, windspeed, GPS data via
GSM/...GSM module prices in bulk
shekhar77 - 2009-08-17 14:29:00
We are searching for best price for GSM module component in quantities of
1000, 10000 and 100000
Can anyone suggest the sourcing contacts who can give us the best possible
price.
We are looking for GSM only functionality , for example SIM301S from
SIMCOM.
Please suggest us any other vendor also w...300baud FSK over GSM
Started by Denis Gleeson 9 years ago
Hello All
We are attempting to get 300baud FSK data over a GSM link.
Ive seen different postings on this in the past and the concensus
is that it may be possible given that its FSK and at a slow rate.
Although the GSM codecs distort the phase of audio tones they should
not effect the frequ...G3 Fax over GSM
Started by Denis Gleeson 9 years ago
Hello all
What are the capabilities of GSM when it comes to Fax transmission.
I have seen PSTN to GSM boxes that do FAX transmission.
This one
http://www.sagem.com/en/produits-en/systemes-radiocom-en/rt3000-en.htm
does Analog G3 fax:9600bps.
SO I assume we can connect the PSTN connection...SMS-GPS Tracking
bunnyboxy - 2009-06-08 15:27:00
Hi!
I'm currently developing an application to for online tracking by SMS.
Normally, I should have tested the application with my GSM modem but I seem
to be having a problem with my GSM modem, so I will like to similar SMS
messages on my PC and send them to the serial port of my Pc they by
elimin...GSM Modules?
Started by Andreas 9 years ago
Hi!
I'm looking for an inexpensive GSM-Tri-Band-Module.
It has to be integrated with an embedded controller.
Serial communication via AT commands would be nice.
Any suggestions?
Thanx!
Andreas
...Sending SMS text messages to GSM phone
Started by Colin MacDougall 9 years ago
Hi,
I am currently looking in to a project to use a microcontroller
to send SMS type text messages to a GSM cellular phone. I have
thought about using either a Nokia phone attached to the micro
through the Nokia FBus interface or a GSM modem device.
What would be the easiest in terms of softw...GSM based remote telemetry system
Chans - 2005-10-15 03:05:00
Hi,
I am working in a process controlling insruments manufacturing company
where we are devoloping a project to control a remote device using a
GSM controller. I wish to know whether is there any subscriber service
available for such applications. I'm in India. State-TN. Also, let me
know if...Small embedded GSM modem?
amerdsp - 2006-04-18 09:00:00
I am looking for the smallest GSM/GPRS/EDGE modem for use in a project?
In the US, I found one by Multitech, but I am not sure how it pairs to
others if there are any that are easily available to OEM designers in
the US.
Any ideas?
Thank you.
A
...GSM Module.
Baldor - 2006-08-16 13:03:00
I'm looking for a cheap GSM module with RS232 interface, without GPRS,
I only need SMS. Any hints?
Thanks.
...Enfora GSM modem
news.tele.dk - 2006-04-14 15:37:00
Hello group,
I am working on a system where I have a GSM module (Enfora GSM0116)
connected to a small microcontroller.
My plan is this:
When a certain event happens, the GSM calls numbers in a list in order to
inform users of this event. However, if user number 1 understands and accept
the...GSM/GPRS emdedde module
rmalerba@gmail.com - 2007-03-09 13:57:00
Hi guys, anybody knows about module or chip with embedded GSM/GPRS
features, I knew Motorola G20/24 but is very expensive for me.
Thanks in advance !
Richard
...GPS/GSM with RTEMS
sam - 2005-12-16 04:55:00
Hi,
Could any one please recommend a small board that is capable of GPS/GSM
applicaiton? I found Intel Xscale uBSC shown in http://www.cogcomp.com/
webpage is quite good. But I want to develop my application based on RTEMS.
Thanks
Sam
...Cheap GSM and GPS modules
anantkaushik89 - 2011-02-01 12:17:00
Hi,
I want to make a stand alone device which could sen me location based
reminders. For that I need a GPS module and a GSM module. I am a student in
India so cost would be a major concern. Looking forward to your reply.
Thanks.
---------------------------------------
Posted thr...GSM module with external camera
Started by Aleksandar Kovacevic 8 years ago
Anyone knows of a GSM (900) w. GPRS module that can be connected to a camera
distanced max 2m? Industrial temp range prefered.
Thanks!
Aleksandar Kovacevic
alexx@fly.srk.fer.hAEr (remove capital letters)
Zagreb, Croatia
...SIM card interfacing to read phonebook
Started by Rajeev 9 years ago
Hi,
Does anyone here has experience interfacing a GSM SIM card to a microcontroller?
Can anyone point to links for GSM SIM card standards?
We are planning a phone product that interfaces to GSM SIM card to read the
phonebook from it.
What is the physical interface that should be used to inter...GSM cell phone with RS232 data interface ??
Started by Unknown 4 years ago
Does anyone know of a modern GSM phone which still has an RS232
data cable available for it ? (Most have gone to USB .. I want to send
SMS
messages from my embedded device which only has a RS232 port)
Thanks,
Stuart
...Cheap GSM/GPRS/EDGE modem ?
Mike - 2012-06-26 10:20:00
Hi,
I'm looking for a GSM etc modem module like eg the ublox Leon but they
seem really expensive at =8080+ for a sample. I already have a tcp
stack so don't really need that to be built into the modem so can
anyone tell me whare I can find an economical aklternative that
doesn't haev a built...About GSM project
haresh - 2008-07-12 10:43:00
My Last post many friends have problem abt my university. I join this
group for help. If i said any thing wrong then sorry.
Right I am working project which is using 8051 to connect GSM modem
And GPS receiver .Its for tracking vehicle and send MSG on my or any
mobile about vehicle location.
...GSM Remote Camera
sarath.mmrec - 2010-02-25 07:30:00
Hi
I want to connect my webcam with microcontroller or processor for
capturing the images and send through air(network)through gsm modem.
For that,
I have confirmed that ARM processor is suffiecient,but the problem
is I just want to port an RTOS on processor for writing device drivers f...Re: 300baud FSK over GSM
Started by Unknown 8 years ago
> > whenever there was a hacking run in the script - on GSM voice,
> > Morse might be be the best!
>
Lewin A.R.W. Edwards wrote:
> Actually, maybe speech synthesis and recognition would be the best!
>
I too was wondering how band-width economical speech synthesed...GPRS in USA, Is It Available?
Started by Bob F. 9 years ago
I'm thinking about embedding a GSM module in a prototype tracking system,
but I'm having trouble determining what service providers support GPRS. Do
any service providers support this in the US? I know that T-Mobile offers
GSM services, I'm not clear on their GPRS support. Do you pay by the nu...GPS +8051+GSM modem
haresh - 2008-07-11 05:33:00
Hello friends,
I am working on project which is Vehicle tracking system, which works
on the
following principle:
1. GPS system transmit the current longitude/latitude/GMT to MC
2. MC transmit this position information via a SMS to a mobile phone
through a GSM device
3. Crystal freequency...PTCRB GSM approval requirements
Started by Unknown 2 years ago
I am looking to deploy a GSM based device in the USA as well as
various places around the world. The module we are using comes with
PTCRB and carrier approval, however as I understand it we need to get
our own PTCRB and Carrier approval, based on these approvals. We will
only be selling maybe 20...Processor core license pirates
Anders - 2007-12-14 16:37:00
I'm working on a design where I need a GSM radio module.
I've found a low cost Chinese module that would work, and tried
some samples of it - all looks from the technical side.
Now my customers raises concerns about using Chinese GSM modules.
They say some module makers - especially in China a...how to use microcontroller codings to convert ecg signal to heart rate
monte - 2007-12-17 16:08:00
hi to all,
if any body could help me out in conversion of ECG signal to heart rate ,
to send it as a message to any mobile for medical usage , i am using gsm
modem for transmissiom.
also please suggest any good gsm modem available in india and should be
cheap for laboratory purpouse.
which micro...GSM module + microcontroller, video through GPRS
Rakietka - 2007-11-11 15:32:00
Hello,
I'd like to build a system, which main purpose is transmitting video from
video camera to mobile phone/PDA in real time. I'm wondering if it is
possible to get satisfactory quality and frame rate (160x120 and 15-24 fps
would be enough) with GPRS technology? I have read manual of Telit GM82...Problems using uart in H8s. Rx level doesn't down to zero
Started by Unknown 6 years ago
Hello.
I'm having a problem with a H8S MCU ( 2328) uart I use to comunicate
witch a GSM module.
First I was using a Atmel MCU instead of the H8S and all was working
fine.
But when I have replaced the Atmel with the H8S the communication
dosen't works. I have seen thant the problem is that when...Recommendations for tiny GSM module?
Started by Unknown 6 years ago
Hello! I've been wanting to design a phone for a while -- and I'm
looking for recommendations for tiny quad-band GSM modules for
embedded projects. These things have started turning up for machine-to-
machine (telemetry) applications and the like over the past few years.
In particular, the Telit...Additional digits to GSM calling number
anzenews - 2007-01-24 19:03:00
Hi there!
I hope this is the right place to ask - if not, please tell me which
usenet group I should use. Also, I don't really know how to ask this so
please bear with me. I am a newbie at this field... :)
I am planning on using a GSM module (Siemens TC65, but that shouldn't
matter). The mo...GSM modem interfacing
abhay - 2006-08-30 00:18:00
hi,i m interfacing gsm modem to my microcontroller.i need to send sms
through it.
i am using AT commands for that.the command to send sms (AT+ CMGS)
terminates with
ctrl-Z.now in my program i hav tried all ways to send ctrl-Z at end of
my sms.but it takes this as
a character or string only.al...8051 baud rate
lopamudra - 2008-07-03 16:01:00
Hi all,
I am working on 8051 based Vehicle tracking system, which works on the
following principle:
1. GPS system transmit the current longitude/latitude/GMT to MC
2. MC transmit this position information via a SMS to a mobile phone
through a GSM device
3. Crystal freequency is 11.0592 MHz
...n00b with GSM & PIC
masch - 2007-01-03 17:52:00
Hello Gurus
This is my second day at this website, I've been trying to absorb as much
as I can. I've read up some of the Nokia fbus and the like, I think I
understand it a little but I wont know for sure until I try it. I'm
familiar with some programming with PIC, specifically the PIC16F84.
Wh...Help on our final year project- please reply quickly
nasif4003@gmail.com - 2007-02-19 21:49:00
Hi ,
We are developing a project under our university course. We
developed a web site & we want to deploy the updates of that websites
to our client.
To deploy updates we provide hand held embedded device to
clients. We assume that all our clients are within 1.5 km range.
Curren...GSM/CDMA devices.
Started by Ali 2 years ago
Techies folk! any pointers to gcc complaint source to VoIP? let say
good for posix and os/2 platforms ONLY.
ali
...