For me, mobile, on the "SM1000" MKII a mic socket for a handheld mic.
(and the internal mic, with a recessed switch to change it) BTW: I've only just there's a lot of Digital Voice chit-chat on Google Groups. So I've subscribed. I had difficulty on email forwarding as I want all email, groups and all to be on MY server and not stored on the cloud anywhere. Google Mail, "Settings" gearwheel, -> Quick settings -> See all settings Alan VK2ZIW On Mon, 20 Jul 2020 22:48:50 +0000 (UTC), Gary Kohtala - K7EK via Freetel-codec2 wrote > Personally, I use the SM1000 as intended, with the built-in mic, PTT button, > and speaker. I greatly appreciate the ease with which I can get on DV without > the hassles of a computer, cabling, mics/headphones, difficult software > configuration, etc. The SM1000 just works and I thoroughly > enjoy mine as-is. I personally would like to see the internal mic, speaker, > and PTT button stay in future iterations. My two cents. > > Best regards, > > Gary, K7EK > > Radcliff, KY (EM77at) > > --- > > On Monday, July 20, 2020, 06:30:05 PM EDT, Glen English > <g...@cortexrf.com.au> wrote: > > I need some comments to drive decisions on part choices for the SM30000 > > My focus is on accessability- being affordable. > > Having said that a few dollars saved is poor savings if the new box > > cannot meet our forseeable objectives. > > The original project leaders are not providing any opinions, maybe they > > are burned out. Volunteers get that way. > > The original SM1000 had a BOM (bill of materials) of about US$44 > > (quantity 100) + enclosure and packing. Setup costs for small PCB runs > > and small metal work runs are very high compared to the cost of the > > job. The Sm1000 used commodity components, nothing special so it was > > able to be made in a simple factory. > > The SM3000 is not going to be such a simple beast. > > My estimate right now is the digital PCB would be approx USD52 or USD60 > > The analog interface mezzanine PCB (to provide SM1000 functionality) > > would be another USD20 (mostly connectors and large passives) > > The digital radio mezzanine PCB (HF + 28 MHz IF 1mW radio (capable of > > direct aliasing to 200 MHz) 16 bit DAC , low noise clocks, will be > > around USD100 if it is high performance. > > My questions- Was the Sm1000 a good idea- how many people used them as > > intended ? > > did anyone use it with the internal speaker-mic, or should that be a > > standard headset 3.5mm jack for connection to whatever ? > > Total size of the digital PCB is probably around maybe 50mm x 80mm I > > guess. If it goes into an existing SM1000 box, the audio board would > > become the baseboard, and support all the connectors and the digital > > PCB would be the piggyback. IE whole digital radio in the SM1000 > > existing case (but not much use withotu connectors ) ! > > -glen > > _______________________________________________ > > Freetel-codec2 mailing list > > Freetel-codec2@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 --------------------------------------------------- Alan VK2ZIW OpenWebMail 2.53, nothing in the cloud.
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