Since all phones communicate via various cell network bands..that means they have a transmitter and receiver for those frequencies.
Would it be possible, for two phones using the same frequency, in a remote location ( a cruise ship, or field ) to communicate directly at some distance without the need for a Cell Network?
You wouldn't be able to call specific people. It would act as a radio.
Is such a thing possible?
Related
Hi. i am kinda new to the Windows Mobile realm. i have an E-TEN G500 (owned it for 6 months at this point) and i really like it. i love the fact there is a satellite reciever integrated into it. i use TomTom 6 everyday, but was wondering about satellite radio.
I read in a review that i can use the receiver in my pocket pc phone to access satellite radio simultaneously with satellite GPS since the receiver my phone uses can recieve up to 20 channels. i tried searching for software but they require a data internet connection since the software only accesses the internet radio services of XM and Sirius. i don;t have a very good data plan and my data network type sucks (GPRS.. ugh)
is there any software that can access the radio services using the satellite reciever only and not the internet? i want my pocket pc to be set up like as if i was using a reciever i buy from a store to get the services.
by the way feel free to comment if i have technologies mixed up and in fact you can not do both with the same atellite receiver and i was reading an error. i cant seem to find the location of the article but if i do i can post the link and quote it directly.
I just run on the following site
http://dailymobile.se/2009/01/07/op...ith-your-blackberry-garageshadow-application/
And I wondered if its possible to have something like that on my diamond.
Most are using infrared which isn't really available in current devices anymore. And afaik infrared in mobile devices will only have a range of at most 1 meter (optimistic guess).
Does the blue flashing light indicate that bluetooth is on?
there is a special remote which can connect to a comp. you can send signals to whatever you like... BUT, it's problematic.
As i stated like a year ago in a guide i wrote about bluetooth services,
the only bluetooth service working with AD controllers is the GXP port.. which you don't have on windows mobile.. it's not software related.. sorry.
You could use NetRemote via WiFi (and configure MortScript to connect to Your home WiFi network automatically if it approaches a certain mobile cell tower so if You are near home You are already connected to NetRemote server) and use an IR repeater from the server for the door. This is a theoretical concept which I haven't tried but in theory - why shouldn't it work?
You would probably want to use gps, not a cell tower id, and yes it is theoretically possible to make your phone trigger something to open your garage... but i think the questions was can you use your phone to open your garage door.
you can't use GPS as GPS can only send signals.. not receive...
you would be able to connect to your comp using wifi but then you'd have to be able to send signals through your home network to the garage door. the problem is not the sending of the signals but the receiving by the door.
of course it's "possible" but it's somewhat of a project to have the receiver operate the door... at least the way i see it.
Joel - wouldn't the outcome be the same, meaning using your phone to open garage door? Of course, the simplest way would be to buy a gsm controller, insert a SIM there with a number and hook the controller up with the door, so when you call the controller it opens the door. That solution is expensive tho and you can't use it for other stuff like with NetRemote - you can practically control anything with IR or ZWave repeaters.
lol, $100-200 for a gsm controller, then a $40 monthly plan for the gsm? i say just go buy a remote. they sell keychain sized garage door remotes at home depot for like $20 and last about a year for the cell battery opening the door about twice a day.
I have a suggestion tho.
try searching for a bluetooth controller.
someone here would have to write the application for you..
but if you manage to find a bluetooth controller, you might (you need to know how) be able to connect it to the engine.. and give it the what... 10mA trigger it needs?
What about a radio (funk) controller ? Can our handhelds do that ?
cellular radio?
untrueparadox - although with your solution doesn't let him open the door with phone, it's definitely the best and cheapest so far
my last year project might just be developing a straight current independent bluetooth controller. i'll give you the prototype for a symbolic price if you want
so what do you do when you happen to be near your home but dont want to or can't park in the garage? You know, those rare but plausible times when it so happens you are parking on the street. OH wait, there goes your door again!
Just hoping you thought it through all the way.
Look into zwave and MControl for your pc
is this utter rubbish or what they told my misses if she buys the touch 3g it will connect ot out home wifi and boost signal as we have a low signal reception on orange in our area can anyone explain this to me and how my rhodium can do this also?
it wont boost your signal but obviously you will be able to suft the internet at much higher speeds just switch on your wifi in settings, it should give you a list of availible routers, pick yours, enter the wep key and your up and running
on that note I wonder how hard it would be to hack a, say, DD-WRT firmware set of routers to allow a repeater over the internet (for non tmobile users and their wifi calling! GRR)
I would love to modify a wifi router to catch CDMA/GSM instead of broadcast 802.11, then set it up VPN style to connect to another router that then broadcasts the signal instead of 802.11 (yes i know repeaters exist, but im talking miles away)
wow, first post here and I made myself a winter project! I have plenty of friends who would love to test it with me too ^^
now to avoid the red tape!
What they are talking about is UMA (google it for details) which basically allows you to route GSM traffic over an Internet connection via WiFi.
It's supported on Blackberries, some non-smart-phones (dumb phones), and the touch 3G. It's not supported on any of the other WM or Android devices.
Maybe someone on here can mod up a ROM for the rhodium to support this? It would need the radio from an Orange build of the Touch 3G. There may be other aspects to this as well.
yep the dude who likes trees is right - UMA is only supported on certain phones - one model of nokia, most blackberries and one model of HTC device - The Touch 3G. As far as I was aware though you need an Orange Livebox in order for it to work (Orange's broadband router).
It seems to work as I have a number of users using it at home with work provided phones (mainly crackberries) in areas of no orange reception- but from what I've heard in terms of feedback they're Orange Livebox isn't that great at range and also picks up allot of interference (one user regularly complains it keeps dropping connection).
thanks everyone that was what i thought. i will just have to get a nice ilegal orange gsm repeater on ebay then
My work blackberry works UMA over any wireless network that I have connected to, none of them are orange boxes or orange broadband.
At work we have mostly BT broadband with various routers and wifi access points - Draytek, cisco, dlink, 2wire from bt and at home I have talktalk with huawei and linksys access points.
Just wish I could get uma for other win mobile.
MG
matttytn2 said:
is this utter rubbish or what they told my misses if she buys the touch 3g it will connect ot out home wifi and boost signal as we have a low signal reception on orange in our area can anyone explain this to me and how my rhodium can do this also?
Click to expand...
Click to collapse
It's not technically correct, but might in effect be true if your phone supports UMA. This effectively routes a GSM call over your WiFi/ADSL and then via internet in Orange's circuit-switched core network. As a result if you previously could not make calls in your home on GSM, magically you now will be able to when within range of your router. They market the service as Unik or Unyk phone.
radiohead319 said:
It's not technically correct, but might in effect be true if your phone supports UMA. This effectively routes a GSM call over your WiFi/ADSL and then via internet in Orange's circuit-switched core network. As a result if you previously could not make calls in your home on GSM, magically you now will be able to when within range of your router. They market the service as Unik or Unyk phone.
Click to expand...
Click to collapse
By the way the Orange UK Unyk/Unik service does not need an Orange Livebox or ISP to work - it is the "open ISP" variety of UMA
I'm going over seas soon and I'm NOT planning on taking my air rave, but it got me thinking - and I was just curious - could I plug it in to an internet connection overseas and have free calls?
The only reason I can think that this wouldn't work is that
1. The air rave won't register on an IP Sprint detects as foreign.
2. Sprint won't register an air rave that is reporting a GPS location out of their coverage area.
I read one article that claimed that Sprint uses #2, in which case you could create a simple device that plugs into the pigtail port on the Air Rave and reports erroneous coordinates. You could probably do this by recording the input from one location and then playing it back through the pigtail at another location (not sure if straight audio would work or exactly how GPS is transmitted).
There used to be an app for Windows Mobile that would turn your phone into a bluetooth GPS that you could hook other devices up to. If there was something like this for Android - combined with mock locations being enabled, you could hook this up pretty easily.
You could also solve #1 with a VPN.
Anyway, again - I'm really not planning on doing this, just sort of thinking out loud. The fact that I would have WiFi/VoIP anyway wherever I could plug an air rave in would defeat the purpose. Also, I'm sure it would be illegal to operate your own device at 1900MHz in most countries.
Hi all,
I'm looking to find or write a solution that will display the signal strength of each gsm network (carrier) in a given area.
From the research I've done, I believe it is possible to determine this information by interpreting the BCCH (Broadcast Control Channel) info from each of the surrounding cells, which contains such things as as the signal level, cell id and mobile network code.
Does anyone here know if it is possible to do this via RIL on winmo / ce devices or if there is an existing application that does this. I've looked at the RILCELLTOWERINFO structure on MSDN but this seems to only supply info for the currently connected cell.
I have looked at a HTC application called fieldtest.exe which seems to display signal levels of up to 6 cells, but seem to identify the network code.
Any help or suggestions would be much appreciated.
Thanks!
WiFi is split into 13 channels - they are used to reduce interference with other routers and devices using the same spectrum. Channel can be set manually in a router but is often chosen automatically by the router. The channels themselves overlap; e.g. channel 7 will still intefere with channels +/- 5 channels. Note that not all channels are licensed in all regions of the world so you may only see (say) 11 channels on your router.
What it sounds like you are looking for is the signal to noise or even more general "quality" on any given channel - i.e. finding out which channel would be best for a specific installation. Although the various metrics that would allow you to compute this value are available at the hardware interface, the iPhone networking API does not expose them. You could investigate using a jailbroken iPhone and corresponding devkit or switching your app to the destop.
Steve
Sorry, I probably didn't make it clear, but I'm actually referring to GSM as used by cellphones rather than WiFi.
Any ideas?