Cheap And Discounts Mini PBCswitch module PBC OEM module mini size 4 Ports Network Switches Pcb Board mini ethernet switch module 10/100Mbps OEM/ODM Wholesale. Buy Directly From Merchant anddearxm Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.