for 500 MHz - 6 GHz use
4 GHz: NF = 0.9 dB, Ga = 13 dB, P 1dB = +23dBm

part number	use	NF [ dB ]	Ga [ dB ]	package	outline	data sheet
ATF-21170	general purpose	1.1 min at 4 GHz	12.0 min at 4 GHz	70 mil ceramic		pdf
ATF-21186	general purpose	0.75 min at 2 GHz	12.0 min at 2 GHz	SMT 85 mil plastic		pdf

packages: 70 86

file name	description
f211703a.s2p	ATF-21170 s and noise parameters at 3V, 20 mA	view
f211705b.s2p	ATF-21170 s parameters at 5V, 80 mA	view
f211862a.s2p	ATF-21186 s and noise parameters at 2V, 10 mA	view
f211862b.s2p	ATF-21186 s and noise parameters at 2V, 15 mA	view
f211862c.s2p	ATF-21186 s and noise parameters at 2V, 20 mA	view
f211863d.s2p	ATF-21186 s and noise parameters at 3V, 70 mA	view