All ProductsMicrochip Technology IncSemiconductorsRf/if And RfidRfid Transponders, Tags MICROCHIP TECHNOLOGY INC SemiconductorsRf/if And RfidRfid Transponders, Tags ATA5551M-PPMY RFID TAG READ/WRITE 224B (USER) MEMORY 125KHZ ENCAPSULATED MFR. Name: Microchip Technology Inc ATA5577M1330C-PPMY RFID TAG READ/WRITE 363B (USER) MEMORY 125KHZ ISO 11784, ISO 11785 ENCAPSULATED MFR. Name: Microchip Technology Inc