The F6506 from Renesas is a Beamforming IC with Frequency 19.7 to 22.7 GHz, Voltage 2.4 to 2.6 V, Operating Temperature -40 to 95 Degree C, Tx Power 16 dBm (P1dB), Tx Gain 30 dB. Tags: Surface Mount, Transmit. More details for F6506 can be seen below.