Highly integrated read and write 13.56MHz contactless communication card chipLow-voltage low-cost, small size of the non-contact card chipAdvanced modulation and demodulation fully support all types of 13.56MHz passive devices14443A compatible transponder signalsDigital part processing ISO14443A frame and error detectionMFRC522 support IC series of high-speed non-contact communication two-way data transmission rate up to 424kbit/sOperating Current: 13-26mA/DC 3.3VIdle Current: 10-13mA/DC 3.3VSleep Current: Less than 80uAPeak Current: Less than 30mAOperating Frequency: 13.56MHzSupported card types: IC1 S50, IC1 S70, IC UltraLight, IC Pro, IC DesfireEnvironmental Operating Temperature: -20-80 degrees CelsiusEnvironmental Storage Temperature: -40-85 degrees CelsiusRelative humidity: relative humidity 5% -95%Data transfer rate: maximum 10Mbit/sSelf-calibrated RF to ensure optimal percompatible withmance under all operatingSize: RFID-RC522 Module: 3.9 x 6 cm The Standard S50 Blank Card: 8.5 x 5.4 cmDiameter of S50 special-shaped card: 3.1(max)Colour: blueMaterial: plasticSize: 59.9x39.7mmPackage Contents:10 sets * induction modules (1 set: 1 PCB board + 1 IC card + 1 sensor key + 1 straight needle + 1 curved needle)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.