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Jean-Samuel Najnudel - BJT PARTNERS SARL jsn at bjtpartners.comHi Alexander, Yes, all the manual handling operations we would need is also what makes me feel a bit afraid of the cost too. In France, including all the costs they need to pay for, a fab would charge manual operations around 30 Euros per hour. Regarding the UmTRX samples production schedule, I do not think this will be ready at the beginning of August. We should expect to get the boards in mid-August. Sorry for the delay. Actually, everything is slower in France from around July 14th to August 15th. I am really sorry about that. Next batches will be faster. Best regards. Jean-Samuel. :-) On Sun, Jul 15, 2012 at 6:57 PM, Alexander Chemeris < alexander.chemeris at gmail.com> wrote: > Jean-Samuel, > > Ok, we'll prepare drawings for the enclosure. But my assumption was > that the biggest part of the cost would be handling, as it's a manual > operation and prices in Europe for this are insane. > > I hope you have a good vacation! We'll try to mail you as little as > possible :) > > Before you leave - could you update us whether the original estimation > for this batch of UmTRX production is correct, i.e. we'll get > prototypes at the first week of Aug? > > On Sun, Jul 15, 2012 at 8:46 PM, Jean-Samuel Najnudel - BJT PARTNERS > SARL <jsn at bjtpartners.com> wrote: > > Hi Alexander, > > > > Yes, this is a very good news. Except for selectivity, the UmTRX > > performances and features are great and you still have a reasonable cost > > structure. > > > > Regarding the enclosure, I think the fab can do this. However, they would > > need to know the exact drawing of all the connectors. They really need > > precise details before they accept to send me a quote. > > > > Moreover, most of the volume order will need outdoor enclosure including > the > > UmTRX, the diversity and selectivity daughter board and the CPU board. > > UmTRX only in an enclosure will be only interesting for some lab > > applications (excluding people who are ok with the board without any > > enclosure). This would make the volume quite low and I am afraid low > volume > > would mean quite high price. For the board itself, the fab makes some > > efforts on the price because they expect reasonably larger volumes but > for > > this enclosure for lab applications only, they will probably be quite > > expensive. > > > > If you are still interested in this enclosure assembly, please send me > the > > exact drawing and I will ask them for a quote. > > > > By the way, I will be on holidays on next week. I may take some time to > > reply to your e-mails. Sorry about this. > > > > Best regards. > > > > Jean-Samuel. > > :-) > > > > > > > > On Sun, Jul 15, 2012 at 5:50 PM, Alexander Chemeris > > <alexander.chemeris at gmail.com> wrote: > >> > >> Hi Jean-Samuel, > >> > >> This is very good news! It means we've met the target cost price and > >> we haven't compromised functionality. > >> > >> Could you ask the fab how much would it cost to put the board into an > >> enclosure like this, including the front panel and the rear panel > >> drilling and engraving? > >> > >> > http://www.fischerelektronik.de/web_fischer/en_GB/cases/M1.07/Miniature%20aluminium%20cases/PR/AKG105_030_/$productCard/dimensionParameters/index.xhtml > >> > >> The idea is to sell it to general public in small quantities for in-lab > >> use. > >> > >> On Sun, Jul 15, 2012 at 7:08 PM, Jean-Samuel Najnudel - BJT PARTNERS > >> SARL <jsn at bjtpartners.com> wrote: > >> > Hi Alexander, > >> > > >> > Total cost for production is approximately 10000 Euros for 20 units, > >> > including about 1000 Euros Non Recuring Costs. Approximate unit cost > for > >> > sample batches (6 and 14 units each) is a bit bellow 500 Euros. > >> > > >> > If we do not need to change the PCB, unit cost will be around 440 > Euros > >> > for > >> > 20 units batches. > >> > > >> > If we make 50 or 100 units batches, cost could be a bit lower but not > >> > that > >> > much. > >> > > >> > We could expect to save on the TCD-4029-26.0M. Today, we pay it about > 15 > >> > Euros because of our low volume. For 50 or 100 units, we could buy > this > >> > part > >> > directly from Pletronics and save about 5 or 6 Euros per unit. > >> > > >> > We could also save on the PCB. For 20 units, cost is 32 Euros but we > >> > could > >> > expect to save 5 to 10 Euros on it. > >> > > >> > On all other components, we could expect something like about 10 to 15 > >> > Euros > >> > extra savings. > >> > > >> > For 50 units batches instead of 20 units, we could also save about 4 > >> > Euros > >> > per board on the cost the fab charges for loading the assembly > machines. > >> > > >> > For 50 units batches, we could achieve a unit production cost at 500 > >> > USD. > >> > > >> > Anyway, please find enclosed a few details about our production costs. > >> > You > >> > can see fab costs are quite reasonable expecially for our low and > medium > >> > volumes. This cost structure is really convenient to make our samples > >> > and > >> > gradually ramp up our production volumes. In case we reach much higher > >> > volumes in the future, I am quite confident we could bargain a bit > more > >> > the > >> > fab costs and certainly also save a bit more on the components > sourcing > >> > costs. Except for the low cost femtocells market, I really believe > this > >> > cost > >> > structure will allow you to compete on the market in good conditions. > >> > > >> > You would need to add the cost of the enclosure, the PSU, the > diversity > >> > and > >> > selectivity RF daughter board we need to pass the spec and the CPU > >> > mother > >> > board we need to run the Transceiver and OpenBTS. You should expect a > >> > total > >> > cost around 800 USD excluding the frontend (PA+LNA+duplexers). > >> > > >> > For your information, the dual TRX outdoor enclosure frontend with 10 > >> > Watts > >> > PA I can get from my Chinese supplier costs 810 USD + shipping. > >> > > >> > Please do not hesitate to contact me if you need any extra figures or > >> > information. > >> > > >> > Best regards. > >> > > >> > Jean-Samuel. > >> > :-) > >> > > >> > > >> > > >> > On Sun, Jul 15, 2012 at 9:08 AM, Alexander Chemeris > >> > <alexander.chemeris at gmail.com> wrote: > >> >> > >> >> Hi Jean-Samuel, > >> >> > >> >> Could you share the prices you get for UmTRX from your fab for this > >> >> batch of prototypes and for the next batches? We have to understand > >> >> the cost price to see what could we offer to customers. > >> >> > >> >> -- > >> >> Regards, > >> >> Alexander Chemeris. > >> >> CEO, Fairwaves LLC / ООО УмРадио > >> >> http://fairwaves.ru > >> > > >> > > >> > >> > >> > >> -- > >> Regards, > >> Alexander Chemeris. > >> CEO, Fairwaves LLC / ООО УмРадио > >> http://fairwaves.ru > > > > > > > > -- > Regards, > Alexander Chemeris. > CEO, Fairwaves LLC / ООО УмРадио > http://fairwaves.ru > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/umtrx/attachments/20120715/1e6b8406/attachment.htm>