CityObserver, thanks for the usb hub link!
Noah4x4, very insightful thoughts.
This whole issue is a real bummer: having the Evolution mount with built-in WiFi (2.4Ghz!) and then not being able to pair it with USB3 devices (which the current generation cameras demand) ruins the whole point of having a WiFi-enabled telescope!
Noah4x4, I have read in one of your previous posts that you even bought the latest SkyPortal WiFI module to overcome those WiFI connections problems. Kinda crazy to need an internal and an external WiFi module...
Does the latest SkyPortal use the 5 Ghz frequency band?
When I switch the internal module off with the hand control, will I then get rid of those interferences?
If only life was that simple....
There are three generations of Celestron WiFi.
The first, identified by a signal named 'SkyQLink' is not very good.
The second, identified by 'Celestron.xx' is much better.
The third, 'Celestron.xxx' is vastly superior.
I had the misfortune to buy a 2015 vintage Evolution with generation one WIFI. But it works fine with generation two or three SkyPortal dongles, that is until you bring other more recent complex factors into the mix. I now use the latest third Generation SkyPortal external WiFi accessory and switch off internal WiFi. But more recent internal Evolution WiFi is fine. This simply reflects the rapid progression of the technology. Consider how far a mobile telephone has advanced in the same time frame. Nobody would expect a manufacturer to upgrade a five year old phone from G3 to G5, or an older television from 1080p HD to 4k UHD without cost. Yet, we seem to expect our older equipment to benefit from new advances. But why? Redundancy is part of any technology cycle.
ALL are 2.4Ghz. However, this is perfectly normal for this type of device because 2.4Ghz signals are stronger than 5Ghz, and 2.4Ghz has better range, but this channel has quite recently been found to be vulnerable to USB3 interference. But USB3 came much later, so we cannot blame Celestron for any unexpected consequences of future technology. I believe Celestron is looking at this as ever more clutter pollutes 2.4Ghz. But again, technology redundancy is natural and eventually inevitable. But in the world of astronomy we seem reluctant to accept this.
However, lets not make a big deal of this. Both Celestron second and third generation WiFi will work fine if you keep your USB3 cables a reasonable distance from their receivers, which is quite easy with sensible cable management. So, any interference is wholly manageable, provided that you are aware of its possible existence and take precautions. Frankly, I doubt if Celestron upgrading SkyPortal devices to 5Ghz is an easy solution given that telescope controllers are inherently older serial/RS232 technology for backwards compatibility. But for how long that is sustainable is debatable. Is there any contemporary computer manufactured today with a serial port? Again, why are we clinging on to old technology?
What is (IMHO) more challenging is when using a 2.4Ghz internal wireless adapter in your scope side computer into whiçh you have also plugged in a USB3 cable, hence both are in extreme close proximity.
I have found it better in my dual computer remote control rig to dedicate any older internal 2.4Ghz wireless adapter device to my 2.4 Ghz Skyportal dongle connection and use a seperate 5Ghz external plug in USB wireless adapter for computer to computer. However, you ideally need to be able to seperate your 2.4Ghz and 5Ghz channels on your network to force the latter to connect only over the 5Ghz channel. If you use 'dual band' devices you might be leaving it to Windows discretion. More recent equipment is far superior (notably MESH technology).
But these issues are nothing to do with Celestron WiFi that will happily run on the 2.4Ghz channel if you clear that path. Of course, the newer and more modern your computer equipment, then the fewer problems with legacy devices will be incurred, provided they too are upgraded. Unfortunately, Wireless is inherently temperamental and what many of us are doing is challenging the paradigm. Camera technology is racing ahead of wireless technology.
Three months ago I was saying 4K UHD over wireless was not possible due to lag and stutter. Today, the community (e.g. credit to JamesCA) has identified how to disable RemoteFX compression and now it is possible to transmit 4K UHD over wireless. It's just great that we have so many pioneers in Cloudy Nights willing to assist others through this minefield. But let's not blame telescope manufacturers as they can only offer the currrent technology available, and if cameras/USB3 move on, there is inevitable some lag before other technologies catch up. Then when they do, we can't always expect manufacturers to be able to offer new solutions for older technologies.
Edited by Noah4x4, 08 April 2019 - 04:37 PM.