I was on Maestro looking to upgrade firmware on my sector antenna. Oddly enough. Maestro only shows firmware in the 5.6 up to 5.8, but epmp 2K is not an AC chipset and I belive the last upgrade is more like 4.8. But that does not show up in Maestro. Am I missing something? Is Maestro not the tool to upgrade. Just a bit confused. Wondering what is the proper firmware I am currently on 4.6.1.
I think 4.8.1 is the most recent. It shows up on my cnMaestro. You just need to scroll down a bit to get to it.
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I swear it was not showing up or even scrolling when I was on it earlier. But I am surprised that in Maestro, it would give me an option to install incorrect firmware for that radio. But that is likely a discussion for another day 
Thank you and Cheers
Should be a discussion for today about the wrong software being in the drop down list - for some reason this has never been right and also the recommended software at times is an AX software for an AC device or similar. I have raised this in the past - maybe someone will see this.
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All of the original e1k/e2k 802.11n-based radios are now in the EOL queue with support ending in the next 1-2 years. These product lines will most likely never graduate to the 5.x firmware train. There will probably be some small incremental bug fixes and these products will stay in the 4.8 or maybe even a new 4.9 train, but will not continue on to 5.x.
Cambium’s goal for the e3k/e4k product line is to have a unified firmware, which started with the 5.8 release train.
It’s important to note that if you accidentally try to flash your e4k radios with the 4.8.x firmware, it will fail… the same goes if you try to flash your e1k/e2k radios with the 5.x firmware, so you really can’t get into too much trouble. What could cause trouble is if you’ve migrated a bunch of e3k SM’s to 5.x which are connecting to an e4k AP, and then you accidentally roll back the e3k SM’s to 4.x… then those SM’s won’t connect to the e4k AP. This is one possible reason to “recommend” 5.x over 4.x.
With the above items in mind, I think Cambium can only choose one release to recommend, and at the moment, all the action (new features, bug fixes, performance enhancements) is with the e3k/e4k product lines, so they’ve chosen to “recommend” the 5.x releases.
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Appreciate the response for sure - thanks Eric. However I do understand already what you have said and agree - my point is you should not be able to select a software from the drop down list that doesn’t apply to a certain radio. The fact it simply fails doesn’t really help someone who is not so familiar with the products and it is hard to keep up at times. The drop down list should contain only software versions that the radio can accept and it should say recommended for wherever Cambium are recommending users to head for stable release etc. As an example if I go to the software drop down list for a Force 180 - there is lots of software versions there that are not applicable and the recommended is 5.8.0! - this is not right. Also it doesnt seem right that they cannot exclude certain versions over others as all of the versions are not shown that are in the archive - it just seems someone somewhere is not keeping up with this task to update the lists.
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I have to agree with you 100% on this.