EDIT: According to this post[1] above, this listing[2] should be the real thing, as the red variant does say SSID 4G-UFI-XX under the cap.
[1] https://wvthoog.nl/openstick/ [2] https://www.aliexpress.com/item/1005006860833351.html
https://www.aliexpress.com/item/1005006924641101.html
https://www.aliexpress.com/item/1005006860833351.html
On some of them you just load debug webpage and on others you might need to ground some pins.
EDIT: According to this post[1] above, this listing[2] should be the real thing, as the red variant does say SSID 4G-UFI-XX under the cap.
[1] https://wvthoog.nl/openstick/ [2] https://www.aliexpress.com/item/1005006860833351.html