It is compatible, but not in LTE-A, but standard LTE mode.
It looks strange, so I must clarify. This model is not a 'super' model (as claimed on the first page), as it only support
intra band CA (carrier aggregation) TDD 2300MHz (band 40), but not in FDD 1800MHz nor any other way (between FDD and TDD bands) as the model E5186-22a do.
It means that you must be under TDD 2300MHz LTE-A coverage to get faster speeds to the B315s. And now it comes to answering the second part. I don't think you can see the current band, but you can force specific bands using E5186 Toolbox
http://mybroadband.co.za/vb/showthr...x-for-new-Huawei-HiLink-devices-(E5186-B315s)
You can also use this tool on the B315s-936, it supports the same Telkom bands. Compare behaviour and signal strenght indicators on each band, it may be something wrong with this router.