Cheap And Discounts LF-6Ghz RF Digital Attenuator 30DB step 0.25DB Digital Attenuator Pogrammable Attenuator OLED display FOR RF Ham Radio Amplifier Wholesale. Buy Directly From Merchant RFHamRadio Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.