<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Dominik,<div class=""><br class=""></div><div class="">The idea is to make the cellular modem an (optional) plug-in board. This is necessary for two reasons:</div><div class=""><br class=""></div><div class="">a) Technology changes (2G->3G->4G).</div><div class="">b) Universal modems (such as quad band 2G that work everywhere in the world) aren’t really possible in the 3G/4G space, so we need different modems for different parts of the world.</div><div class=""><br class=""></div><div class="">Happy to look at both 3G and 4G options as the time draws near. Quite frankly, there are a huge number of options out there for this. I consider this one of the easiest parts of the project.</div><div class=""><br class=""></div><div class="">Regards, Mark.</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 2 Feb 2016, at 1:51 AM, Dominik Westner <<a href="mailto:ovms@nikwest.de" class="">ovms@nikwest.de</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Generally I think 3G doesn’t make a lot of sense. A new platform should be 4G capable. As far as I know 2G is more likely to stay longer than 3G. <div class="">I know already some areas in Germany and Austria where you can find 4G and maybe 2G, but no 3G.</div><div class=""><br class=""><div class="">For example seeedstudio retargeted their Rephone 3G module to 4G after some investigations about the future of 3G.<br class=""><div class="">(<a href="https://www.kickstarter.com/projects/seeed/rephone-kit-worlds-first-open-source-and-modular-p/posts/1468366" class="">https://www.kickstarter.com/projects/seeed/rephone-kit-worlds-first-open-source-and-modular-p/posts/1468366</a>)</div><div class=""><br class=""></div><div class="">Just my 2 cents</div><div class=""><br class=""></div><div class="">Dominik</div><div class=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">On 01 Feb 2016, at 18:30, Arthur Hebert <<a href="mailto:ahebert@gmail.com" class="">ahebert@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">The Particle Electron has recently caught my attention: <a href="https://www.particle.io/cellular" class="">https://www.particle.io/cellular</a>. Actual performance and usability are unknown, since the first units don't ship until later this month, but it has some attractive features:<div class=""><ul class=""><li class="">low-cost M2M-oriented international SMS/data plans ($3/mo. for 20k messages)</li><li class="">STM32F205 MCU with <b class="">1MB flash</b>, 128k RAM and <b class="">2 CAN buses</b></li><li class="">free development IDE: <a href="https://www.particle.io/dev" class="">https://www.particle.io/dev</a></li><li class="">also a free web-based dev environment at <a href="https://build.particle.io/" class="">https://build.particle.io</a> (I assume/hope this will support the Electron cellular board when it comes out)</li></ul><div class="">I know it doesn't come close to meeting the RAM requirements, but the cellular plan is a pretty big draw IMO. Perhaps worth using this module in conjunction with another board with a better MCU?</div></div><div class=""><br class=""></div><div class="">-Arthur</div></div><div class="gmail_extra"><br class=""></div></div></blockquote></div><br class=""></div></div></div></div>_______________________________________________<br class="">OvmsDev mailing list<br class=""><a href="mailto:OvmsDev@lists.teslaclub.hk" class="">OvmsDev@lists.teslaclub.hk</a><br class="">http://lists.teslaclub.hk/mailman/listinfo/ovmsdev<br class=""></div></blockquote></div><br class=""></div></body></html>