I search infos for Tenda W15E
...and now the forum users shall guess what information you need?
Sorry : Hardware and OpenWrt
OpenWrt support: see Table of Hardware for Tenda devices
Not in the list …
found a little info : https://wikidevi.com/wiki/Tenda_W15E
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Since it says "Atheros chips" they might be selling the V2: https://wikidevi.com/wiki/Tenda_W15E_V2
10/100 Ethernet feeding an old single-core MIPS SoC is hardly "enterprise grade" stuff.