I used this for Level 2s, or sommat close to it, fit meta stuff if you can't fit the T2 stuff, but this is what I would aim to get, if I needed to:
[Caracal, 1]
Ballistic Control System II
Ballistic Control System II
10MN Afterburner II
Invulnerability Field II
Medium Shield Extender II
Large Shield Extender II
Large Shield Extender II
Assault Missile Launcher II, Sabretooth Light Missile
Assault Missile Launcher II, Sabretooth Light Missile
Assault Missile Launcher II, Sabretooth Light Missile
Assault Missile Launcher II, Sabretooth Light Missile
Assault Missile Launcher II, Sabretooth Light Missile
Upgrade one or more of the AMLs to heavies as the mission dictates, but this should sort out 99% of frigate swarms