would a pair of low cost serial or Ethernet radios do it for you? Jaime Solorza Wireless Systems Architect 915-861-1390
On Tue, Dec 29, 2015 at 5:18 PM, <[email protected]> wrote: > I want one end to display data on the smartphone. > Needs to use cellular or unlicensed frequencies. > > *From:* Brian Webster <[email protected]> > *Sent:* Tuesday, December 29, 2015 4:42 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] OT slow speed real time data > > > You could use ham radio packet protocols, a pair of VHF portable radios at > about $50 each and put them on one of the VHF unlicensed MURS frequencies. > Modem can be done over sound card using the DireWolf program. Not sure what > you are connecting on each end and what type of displaying methodology you > need but it’s a good set of building blocks to work from. > > > > https://github.com/wb2osz/direwolf > > > > > > Thank You, > > Brian Webster > > www.wirelessmapping.com > > www.Broadband-Mapping.com > > > > *From:* Af [mailto:[email protected]] *On Behalf Of *[email protected] > *Sent:* Tuesday, December 29, 2015 5:59 PM > *To:* [email protected] > *Subject:* [AFMUG] OT slow speed real time data > > > > I need to haul some very small slow amounts of data up to 2000 feet. > > I could do the garage door opener band but I want to display the data on a > smart phone. > > > > Not sure how realtime SMS might be. Cellular data modem modules are way > overkill. > > Was thinking of just putting a cheap cell phone at one end and using bell > 202 format over it. I would have to write some kind of decoding app. > > > > But then you have your phone tied up all the time you are using the > system. > > Still like the SMS idea but need the data within a second or two of > transmission, not minutes (or hours in the case of my AT&T phone when it is > powered off. Sometimes takes up to 12 hours to receive SMS). >
