The following are all suit modules and their upgrades:
Armor Air Stomp - Velocity based attack; more speed deals more damage. Requires elevation beyond a Power Jump. Minimum Velocity Damage - 40 damage out to 2 meters. Maximum Velocity Damage - 220 damage out to 7 meters. Upgrade II - No damage from falling. Upgrade III - 0.5x recovery time after Air Stomp. Proximity Alarm - Sense enemy in a 30 meter horizontal radius (not vertical); updates every two seconds. Upgrade II - Sensor updates every second. Upgrade III - Sensor updates every half-second. Armor Enhance - 0.5x energy consumption. Upgrade II - +25% movement speed in Armor mode. Upgrade III - Immune to Nanosuit Jammer Bonus. Threat Tracer - Highlight bullet path within 6 meters. Upgrade II - Highlight grenades within a 15 meter radius. Upgrade III - Highlights explosives within 15 meter radius. Nano Recharge - 2x health regeneration. Upgrade II - 2x suit recharge (60 per second). Upgrade III - 0.5x delay before health regeneration. Detonation Delay - +2 seconds to grenade fuse when in blast radius. Upgrade II - +2 seconds to C4 fuse when in blast radius. Upgrade III - Fires Chaff against enemy JAW missiles. Energy Transfer - Restores 20% energy with a kill. Upgrade II - Restores 30% energy with a kill. Upgrade III - Restores 50% energy with a kill.
Power Side Pack - +1 primary magazine. Upgrade II - +1 grenade/explosive. Upgrade III - +1 attachment ammo. Weapon Pro - 0.6x reload time. Upgrade II - 0.5x aim down sight time. Upgrade III - 0.4x weapon swap time. Aim Enhance - Reduced recoil (unique to weapon). Upgrade II - 0.4x view shake from explosions. Upgrade III - 1.6x movement speed when aiming down sights (compared to whatever negative speed it offers). Loadout Pro - Two primary weapons. Upgrade II - No mobility loss from attachments. Upgrade III - 1.5x speed while carrying HMG (compared to its 0.6x speed scale). Rapid Fire - Higher rate of fire on primary weapons (unique to weapon). Upgrade II - Higher rate of fire on secondary weapons (unique to weapon). Upgrade III - Higher rate of fire on mounted weapons. Point Fire Enhance - Reduces spread of primary weapons (unique to weapon). Upgrade II - Reduces spread of secondary weapons (unique to weapon). Upgrade III - Reduces spread of mounted weapons. Mobility Enhance - 0.5x sprint and jump energy cost. Upgrade II - 0.5x ledge grab climb time. Upgrade III - 0.25x fire after sprint time. Retriever - Automatically collect Dogtags. Upgrade II - One less Dogtag required for support bonuses. Upgrade III - 1.2x support bonus time.
Stealth Stealth Enhance - Transition time to/from stealth is halved. Upgrade II - No shadow cast in Stealth mode. Upgrade III - 0.5x energy drain rate in Stealth mode. Covert Ops - No player footstep sound. Upgrade II - Invisible to Ceph Airstrike. Upgrade III - 2x enemy footstep sound. Cloak Tracker - Displays particles on Cloaked enemy within 20 meters. Upgrade II - Causes enemy Cloak to flicker after 7 seconds in radius. Upgrade III - Causes enemy Cloak to flicker after 5 seconds in radius. Jammer - Scrambles the radar of enemies within a 10 meter range. Upgrade II - Provides protection against enemy Radar Jammer attacks. Upgrade III - Scrambles the radar of enemies within an increased range. Blind Spot - Invisible to Maximum Radar. Upgrade II - Immune to Visor Tagging. Upgrade III - Become less visible to enemies in Nano Vision. Tracker - Track enemy footsteps within 25 meters; updates every 0.6 seconds. Upgrade II - Footstep direction tracks. Upgrade III - Doubled track updates (every 0.3 seconds). Visor Enhance - Automatically tag enemies when zoomed in. Upgrade II - Enemy Flashbang grenade effect lasts 0.1x as long. Upgrade III - Nano Vision energy drain 0.5x.