The com relay is used in environments with high interference. It is used by the local pirates to chat about the booster industry. It is password protected, but probably not all that well.
Bounty
Security Reward
Rate of Fire
Optimal Range
Falloff
Tracking speed
Full Shield Recharge
Hull
Capacitor
Signature radius
Orbit range
Orbit velocity
Max Velocity
Radar
Ladar
Magnetometric
Gravimetric