Gain Block Amplifiers for Sub-6GHz 5G Qorvo Gain Block Amplifiers for Sub-6GHz 5G are a wide selection of general-purpose, internally matched MMIC amplifiers. The amplifiers are targeted for many applications in network infrastructure and defense/aerospace. These components showcase the wide range of performance capabilities using Qorvo's processes. Qorvo Gain Block Amplifiers for Sub-6GHz 5G are internally matched and offer various gain and linearity levels in a variety of package types.