This part is a kind of semiconductor called AP1092.

Function of this product has Power AMplifier.

Manufacturers : RFIC

Image and pinout :

Some of the text within the PDF file :

AP1092 2.4~2.5 GHz Power Amplifier 2003.05.29 AP1092 is a linear, low current power amplifier in ISM band utilizing InGaP /GaAs HBT process. AP1092 has internal 50 Ω impedance matching for both input and output. It features a LOW current of 95 mA, small signal gain of 29.5 dB, P1 dB of 20 dBm, and PAE of 35%. AP1092 is housed in a 3 x 3 (mm), 16-pin, and QFN leadless package. • 95 mA LOW current consumption • On-Chip Input/Output Match • On-Chip Power Detector • 30 dB Small Signal Gain • 20 dBm P1dB at 3.3V • Single 3.3/5V Power Supply Major Applications • EEE 802.11b • Wireless LAN Systems • 2.4GHz ISM Band Application Pin Details Pin Number 1 2 3 4 Name VB2 NC VC1 VB1 GND RF_IN GND NC V_DET NC GND DET_OUT NC NC RF_OUT NC Description Voltage C [ ... ]

AP1092 PDF Datasheet Download