BF2:Ranks

Private- No Unlocks (0 points)
PFC- No Unlock (150 points)
Lance Corporal- 1st unlock (500 points)
Corporal- 2nd Unlock (800 points)
Sergeant- 3rd Unlock (2,500 points)
Staff Sergeant- 4th Unlock(5,000 points)
Gunnery Sergeant- 5th Unlock(8,000 Global Points)
Master Sergeant- 6th Unlock(20,000 Global Points)
First Sergeant- No Unlocks (20,000 Global Points, Basic Knife,Basic Pistol,Basic Assault,Basic Anti-Tank,Basic Sniper,Basic Spec Ops,Basic Support,Basic Engineer ,Basic Medic)
Master Gunnery Sergeant- Last Unlock (50,000 Global Points)
Sergeant Major- No Unlocks (50,000, Basic Armor,Basic Transport,Basic Helicopter, Basic Aviator,Basic Air Defense ,Basic Ground Defense)
Sergeant Major of the Corps- No Unlocks (250,000, Highest ranking person at 2nd Lieutenant level gets this special *rank. Recalculated each month)
2nd Lieutenant (200,000)

Borrowed from http://ubar.bf2s.com/ranks.php (1.03 patch ranking overhaul)

Patch 1.41 ranks

SgtMajOfCps has been removed, instead, other ranks as follows...

2nd Lieutenant (60,000)
1st Lieutenant (75,000)
Captain (90,000)
Major (115,000)
Lietenant Colonel (125,000)
Colonel (150,000)
Brigadier General (180,000+All Veteran Vehicle Badges and Ground Defense)
Major General (180,000+All Veteran Infantry Badges and Pistol&Knife)
Lietenant General (200,000)
General (200,000+being the best LtGen of the month, 50 of the best are promoted)