ThingMagic M3e High Frequency (HF) Embedded RFID Reader Module Developer Kit - RFID M3e Module Mounted on Dev Kit Chassis, 9V AC Power Adapter with Adapter Plugs for US, EU, UK, and AU, Sample RFID Tags, USB Cables - ThingMagic M3e HF/LF Embedded RFID Reader Module Developer Kit - Air Interface Protocol: ISO 15693, ISO 14443A/B, ISO 18092 (NFC), Operating Frequency: HF (13.56 MHz ), Data Interface: UART (TTL), USB GPIO: 4 bidirectional ports Power Source: 9V AC Power Adapter