HMC6981 Recommended for New Designs
The HMC6981 is a four-stage GaAs pHEMT MMIC Power Amplifier with an integrated temperature compensated on-chip Power Detector, which operates between 15...
Datasheet
HMC6981 on Analog.com

HMC6980 Obsolete
The HMC6980 is a GaAs MMIC PHEMT Power Amplifier in a miniature, hermetic module with replaceable SMA connectors which operates between 0.01 GHz and 20...
Datasheet
HMC6980 on Analog.com