First of its Kind and a Midwest Gadgets Exclusive! Tri-band cards.   Tired of carrying around a T5577 Card, a Gen2 Magic Card, and a UHF card?   Well I contracted with a group of people far more intelligent than i, threw a bunch of dollarbucks at them and they figured out a way to cram all those chips into one card. Enter the Tri-Band card by MWG.  LF Chip : Genuine Atmel T5577 chip.

HF chip: Gen1a magic Mifare classic 1k 4byte UID changeable based on a Gen4 GDM derivative, limited access to the configuration block and functionality of normal Gen4 GDMs, see RFID Research Group - Notes on magic cards for more information.  

UHF Chip : EPC Changable Gen2 UHF