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Rohde cmw500

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pdenisowski:
As someone who was an R&S applications engineer (now working in the product management team) and who supported the CMU200, the CRTU, and CMW500:


--- Quote from: Bicurico on September 07, 2023, 03:19:13 pm ---I doubt you will get much help for your CMW500.

--- End quote ---

We still very much actively sell and support the CMW500.


--- Quote from: Bicurico on September 07, 2023, 03:19:13 pm ---This is the problem with your CMW500: it is a device made to test LTE hardware and very specific about it.

--- End quote ---

The CMW500 supports far more than just LTE.  It supports all the previous RATs (2G, 3G, HSPDA/UPA, etc. - but not AMPS :)), WiFi standards, Bluetooth, etc. etc.

https://www.rohde-schwarz.com/us/products/test-and-measurement/wireless-tester-network-emulator/rs-cmw500-wideband-radio-communication-tester_63493-10844.html
https://scdn.rohde-schwarz.com/ur/pws/dl_downloads/dl_common_library/dl_brochures_and_datasheets/pdf_1/CMW-Platform_bro_en_5214-2833-12_v0500.pdf

The CMW500 also does have a general purpose RF (GPRF) function built into it like the CMU and the CRTU(-RU).  I'm attaching some screenshots.  You can use it like a spec an and sig gen (CW and ARBs) with no additional software required.


--- Quote from: Bicurico on September 07, 2023, 03:19:13 pm ---Bottom line is: you have a great device, but perhaps a CMU200 would have been better as a hobbyist spectrum analyser and signal generator.

--- End quote ---

I agree that the CMU200 is very popular with hobbyists for a reason: they are widely available on the used market (we made literally tens of thousands of them) and relatively inexpensive these days.


--- Quote from: Bicurico on September 07, 2023, 03:19:13 pm ---All that said, there is a topic here (search for it) that has a R&S keygen script. I am pretty optimistic that it will work to generate the keys for the options of your device. Just remember that activating options for hardware that is not present will only slow down the boot process. You should only activate relevant software options and those you have the required hardware for.

--- End quote ---

Please let me know if you're successful generating license keys for the CMW500 :)

pdenisowski:
Forgot to mention the CMW also supports narrowband IoT.  Here's a press release from a couple months back about our partnership with MediaTek for introducing the first protocol conformance test cases for NTN (non terrestrial network) IoT.

https://www.rohde-schwarz.com/us/about/news-press/all-news/rohde-schwarz-and-mediatek-validate-industry-s-first-3gpp-rel-17-ntn-nb-iot-protocol-conformance-test-cases-press-release-detailpage_229356-1381379.html

So, yeah, definitely a current, supported product :)

pdenisowski:

--- Quote from: charliedelta on September 07, 2023, 08:26:23 am ---I am also not sure what option keys I have and many of the options are onobtanium. R&S products and keys seem to have a short life cycle and the dump support very quickly for even relatively newish models.  I got the answer "we dont have the software or firmware to generate the key options" Incredible excuse for such a high tech company!

--- End quote ---

We provide support for years after products become end-of-life, and the CMW is still a current product, so I'm confused as to why you say that you couldn't get support or options.  Who told you that we "didn't have the software or firmware to generate the key options"?  We sell and deliver CMW option codes on a daily basis.

As for short life cycle:  we introduced the CMW prior to the deployment of LTE and it's still an active product.  I have a picture of when I connected a CMW to one of the very first LTE UE's ever designed.  It's been around a LONG time.

I'm very sorry to say it, but none of those statements in your post make any sense at all.  If you could clarify your previous post, that would be very helpful and much appreciated.

coppercone2:
a scrap contract for old equipment from the manufacturer is the most ridiculous thing I have heard. If there is none on the second hand market, that means that news of the instrument won't spread. Hobbyists are one vector, but even medium large companies (and beyond) sometimes get gear off ebay, because budget for all departments is not 'flagship'. They have flag ships, and also third world. This is NOT any kind of mystery, conspiracy, infact its really common knowledge to anyone with any experience in management and acquisitions.

It's easy to start thinking that equipment like that is a scam for the high end user lol. Like big dumb companies.

Only a bloody fool is not certain that the 'end of year budget spending by any means necessary' thing does not exist in companies that leads to the development of some SERIOUSLY lazy hardware. Some of it is good and game changer, but its littered with systems that are just there to essentially keep a lie going. It's hard to figure out which is which unless a broad variety of people use the equipment and then share their thoughts (not just in the carbon copy F500 'circle' that you KNOW is full of the usual bull shit).

A small company with a budget often IGNORES the higher end stuff just because they know that quite a bit of it is basically a waste of money, and no one is there to help them navigate the mine field, through all the lies in the specifications and whatnot.

Usually the best equipment is good and convenient, but competent test engineers kind of laugh at the price, especially for a 'analyzer' system made of different blocks, that someone is paying ALOT to avoid one or two interconnects and a few spread sheet columns. But that is something you learn really quickly.

I have a feeling the manager was gonna pick em up in his car at night  ::) . Or the biggest ivy league dick heads EVER made that contract. Usually they specify dubious tax reasons.

And even for the biggest companies it is worth it for them to have others use the same equipment on a small scale (they usually have ALOT of it doing ALOT of parallel work to generate money), to make sure they are not being conned. True for everything but the highest end process equipment (and even that usually has so many configurations that its not that much of a risk to have the competition have it, unless its like some super specific hot button thing like the near / sub nm lithography gear). But that shit is usually a room full of equipment, not a box. YOu think they have confidence in their equipment when all the deals are occuring behind NDA closed doors secret squirel shit? The amount of relief you can hear that someone else gets by using the same gear can be massive, if your ego is not the size of nebraska).

And for the tactical, non strategic prospective, having the same gear littered around even the poor places *adjusts turtle neck* means that you have cheap, possibly more advanced (because smaller firm = does more with less) people that have LOWER salaries. It means there is closer to a actual normal hiring market, you can get cheaper trained employees that are ready to go into your more focused/specialized teams, that get a pay raise that the company paying does not see as ridiculous. Otherwise you have a VERY small circle of people to poach trained employees on, for time sensitive corporate operational plans achievement. This means the salaries are LUDICROUS, un fair to the general population (elitistm and the hiring practices are SHADY (legally).

tautech:

--- Quote from: coppercone2 on September 09, 2023, 12:19:54 am ---I have a feeling the manager was gonna pick em up in his car at night  ::) . Or the biggest ivy league dick heads EVER made that contract. Usually they specify dubious tax reasons.

--- End quote ---
Did you ever imagine the initial buy price may have been so attractive the OEM didn't wanna see them profit at EOL and wrote such terms into the supply contract.

There are all sorts of tricks used to seal the deal.
IIRC, at one time HP had a warehouse full of such used equipment.

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