In 5G FR2 mmWaveapplication scenario,HB focuses on open-RAN (ORAN) topology and plays a role in Fixed Wireless Access(FWA) solution. We developed an 28GHz antenna on package(AoP) with SIVERS beamforming IC, peripheralcircuitry and specified patch antenna array. HB could customize beamforming IC solution, antennadesign/arrangement and substrate material for customer demands.