This part is a kind of semiconductor called CL1501-L.

Function of this product has Low Noise Amplifier.

Manufacturers : RFHIC

Image and pinout :

Some of the text within the PDF file :

Low Noise Amplifier Product Features • GaAs p-HEMT chip on board • No matching circuit needed • High Maximum input power(+25dBm) • High IP3 & Low Noise • Single Supply Voltage (+5V) • Surface Mount Hybrid Type • Tape & Reel Packaging • Small Size, High Heatsink • Alumina Substrate • Pb Free / RoHS Standard CL0901-L / CL1501-L CL1801-L / CL2101-L Applications • 2G & 3G Repeater • Base Station • PCS, CDMA, W-CDMA • GSM, DCS, UMTS • WiMAX, Wibro, WLAN • RF Sub-Systems Package Type : CP-16A Description RFHIC’s LOW Noise Amplifier series are all hybrid LNA type products which includes all matching for the convenience of customers. CL series are focused on giving lowest noise possible. The structure of the device is built with GaAs p-HEMT die attached on a ce [ ... ]

CL1501-L PDF Datasheet Download