Cheap And Discounts (5/20pieces) ERA-3SM ERA-3SM+ Parts Marking E3 3- SMT-86 RF Microwave Broadband Low Power Amplifier Brand New Original Electron Wholesale. Buy Directly From Merchant Shop1103671514 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.