Cheap And Discounts 20PCS/LOT Brand New Original SP3485EEN SP3485CN SP3485EN-L/TR RS485 bus transceiver IC chip SOP-8 Wholesale. Buy Directly From Merchant Yinuoxincheng Technology Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.