Hello Jaguirre,
Yes, the SA44 will work just fine with the Spike software. You can download the Spike software at http://www.shnavloginupdates250428.kinsta.cloud/Spike. Functionally, you should notice no differences between the SA44 and SA44B other than some RBW restrictions in certain configurations. If you have more specific questions let us know.
Regards,
Andrew