Hola, que tamaño de papel utiliza esta termial?

Greetings the Paper Size us 2.25" X 50'

can you open a browser on this device? Also can it be used with Square , Clover or any 3rd party apps?

It can be used with third party apps, but not with Square or Clover

which credit card processor in the US this has been certified?

Acadia Point of Sale supports this device with Tsys, First Data, Heartland, Global, NAB and others. This device is more than just a standard credit card terminal and can run the Acadia Android Point of Sale Software, Mobile Inventory updater app as well as their pay at the table app where the device is a part of a larger system.

ASIN	B07DTHKT2H
Item model number	A920Pro-0AW-RD5-02EA
Manufacturer	PAX
Product Dimensions	17.58 x 7.8 x 6.6 cm; 458 g

PAX A920 Mobile Tablet Terminal

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