This is one Lot (Qty. 2) of New RF Micro Devices (RFMD)/Sirenza Micro Devices 4.9GHz - 5.9GHz 1 Watt InGap/GaAs HBT MMIC Power Amplifier, Part Number: SZA-5044Z in 4mmx4mm QFN Package.RoHS Compliant. I have PCB designed for SZA-5044Z in my store link below:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=400182916307#ht_500wt_1156

Gerenal Specifications:

• Frequency Ragne: 4.9GHz to 5.9GHz
• 802.11a Pout = +21dBm at 3 percent EVM at 5.15GHz; +22dBm at 5.875GHz
• P1dB = +30.2dBm at 5.15GHz; +29dBm at 5.875GHz
• Gain = 32.7dB at 4.9GHz; 33dB at 5.15GHz
• Power up/down control
• On chip output power detector
• Power Supply Range = 5V
• Operating temp: -40C to +85C
• QFN 4mmx4mm Package

Detail Spec on Web as follows:

http://rfbayinc.com/upload/files/data_sheet/sza-5044z.pdf