This is one Lot (Qty. 25) of New NEC 3V 900MHz Low Noise MMIC Amplifier UPC2748T-E3 in T06 surface mount package (SOT23-6).
General Specifications:
Detail Spec on NEC Web as follows:
http://www.alldatasheet.com/datasheet-pdf/pdf/101232/NEC/UPC2748T.html
I have PCB made for this amplifier: