This is  one Lot (Qty. 5) of New Avago/Agilent Technologies 50MHz-6GHz RF MMIC Amplifier, Part Nubmer: MGA-53543 in SOT-343 (SC-70) Package.

Gerenal Specifications:

• Frequency Ragne: 50MHz to 6GHz
• Gain: 15.4dB at 1.9GHz
• Noise Figure: 1.5dB at 1.9GHz
• P1 dB: +18.6dBm at 1.9GHz
• IP3: +39dBm at 1.9GHz
• Single +5V Operation
• SOT-343 Package

Detail Spec and App Note on Web as follows:

Data Sheet:

http://www.avagotech.com/pages/en/rf_microwave/amplifiers/low_noise_amplifiers/mga-53543/

http://www.datasheetcatalog.org/datasheet2/2/05ly9dcco3hcc1d9tjdk0ty93rcy.pdf

Digi-Key Info:

http://search.digikey.com/us/en/products/MGA-53543-TR1G/516-1826-2-ND/1235466

I have developed PCB for SOT-343 Avago transistor (such as ATF-54143, ATF-58143 etc), and the PCB is possible for this MGA-53543 MMIC amplifier, but you need to check data sheet for detail. PCB link below:

http://www.ebay.com/itm/Develop-PCB-Agilent-Avago-pHEMT-LNA-ATF-5X143-2pcs-/150203718197?pt=LH_DefaultDomain_0&hash=item22f8d6da35#ht_1156wt_1185