91switch -

, which was an entry-level Layer 2 switch for LAN expansion.

Also, please provide me with more details on: 91switch

Here’s a write-up for based on the common understanding of it as a custom firmware (CFW) tool or payload injector for the Nintendo Switch, typically used within the console modding scene. , which was an entry-level Layer 2 switch for LAN expansion

(a cellular IoT prototyping platform), the "91 switch" usually refers to the SWD selection switch (SW2) 91switch