Cheap And Discounts Amplitec Newest GSM 2G 3G 4G Signal Booster Host Tri Band Signal Amplifier LTE Internet Repeater GSM DCS WCDMA 900/1800/2100MHz Wholesale. Buy Directly From Merchant Amplitec Official Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.