The SKY85817-11 from Skyworks Solutions is a Front End Module with Frequency 2.4 GHz / 5 GHz, Tx Power 19 to 20.5 dBm(2.4 GHz), 17.5 to 19 dBm(5 GHz), Tx Gain 28 dB, Voltage 3.7 V, Rx Gain 12 to 14 dB. Tags: Surface Mount, Transmit / Receive Module. More details for SKY85817-11 can be seen below.