This part is a kind of semiconductor called MAX2320.

Function of this product has Adjustable / High-Linearity / SiGe Dual-Band LNA/Mixer ICs.

Manufacturers : Maxim

Image and pinout :

Some of the text within the PDF file :

19-1535; Rev 1; 6/00 UAL IT MAN TION K A ET U E L H A S EV TA WS DA FOLLO Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs Features o Ultra-High Linearity at Ultra-Low Current and Noise o +2.7V to +3.6V Operation o Pin-Selectable Low-Gain Mode Reduces Gain by 17dB and Current by 3mA o Pin-Selectable Paging Mode Reduces Current Draw by 6mA when Transmitter Is Not in Use o LO Output Buffers o LO Frequency Doubler (MAX2321) o LO Frequency Divider (MAX2326) o 0.1µA Shutdown Current o 20-Pin TSSOP-EP Package General Description The MAX2320/MAX2321/MAX2322/MAX2324/MAX2326/ MAX2327 high-performance silicon germanium (SiGe) receiver front-end ICs set a new industry standard for low noise and high linearity at a low supply current. This family integrates a variety of unique features suc [ ... ]

MAX2320 PDF Datasheet Download