Module no.: mr701shk/uh Interface: rs232/usb Protocol support: iso14443a+iso14443b+iso15693 Card supported: mifares50, mifares70, mifare ultralight, mifare pro, st sr176, st srix4k, atmel at88rf020, sle66cl160s-b, other contactless cpu card compliant with iso14443-4 type-b, tag-it hf, i.Code sli, other tags compliant with iso15693. Pcd model: rc500 / rc531 / rc632 Power supply: dc 4.5v to 5.5v Max. Power consumption: 150ma (100ma while no beep) Typical operate distance: 100mm (mifare one) Dimension: 123 * 88 * 25 (mm) Weight: about 100g Sam slot amounts: 2 Data flash: 0 Display digits: 0 Led: 1 tricolor Isp: supported Free sdk Inner package: box (size: 17.5*14*7cm) Outer package: carton (size: 48*32*24mm) Weight: 330g Terms of delivery: dhl, tnt Delivery time: 5 working days after receive payment.