[d3ad0ne] came up with a way of dumping files onto an SD card by using the USB HID protocol. We’ve seen this sort of thing before where a microcontroller carries an executable to extract data.

A cellular modem via USB is a "USB modem." On a card, it can be an "air card," "data card" or "broadband card." Generic terms are "broadband adapter," "broadband modem," "cellular adapter," "3G or ...

The Anker MagGo USB-C Adapter features dual memory card slots, magnetic attachment, and comprehensive data transfer capabilities. This adapter delivers reliable performance with modern features.