Cheap And Discounts FDXB HDX 5V-9V Universal 125-134.2Khz Rfid Reader Module ISO/IEC11784/5 RS232 Arduino Wholesale. Buy Directly From Merchant ZOCORFID Speciality Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.