Structure and working principle of cat pool equipment

A modem pool is a multifunctional communication device whose core function is to manage multiple SIM cards through a multi-channel modem, enabling batch voice, SMS, and data communication tasks. The following is an analysis of the main structure and working principle of the cat pool equipment:

1. Core components of cat pool equipment
The structure design of cat pool equipment is compact and usually consists of the following main components:

Multi card slot (SIM card tray)

Usually supports the insertion of multiple SIM cards (such as 16, 32, or even 128).
Each card slot works independently and can be switched and operated through software.
Some devices support hot swapping, improving flexibility