Cheap And Discounts 18000-6C EPC Class1 Gen2 UHF RFID Reader Module Wiegand26 RS232 Embedded board available for Arduino/Raspberry Pi UART Wholesale. Buy Directly From Merchant YonChenAi Smart Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.