Low-cost proximity RFID reader module fully supporting PHILIPS/NXP (ISO 14443A) Mifare 1k, Mifare 4k, Ultralight and contactless read/write to Mifare ProX and SmartMX cards and tags. Typical power consumption - 50mW (10mA@5V). - WEB SHOP ORDERS ARE FOR STANDARD FIRMWARE (090811) ONLY. email orders for any other firmware versions to firstname.lastname@example.org. See our new and improved RFID-B1 for new designs.