Subliminal messaging

Subliminal Messaging is a Chinese upgrade in Generals and Zero Hour
==Game Effect==
Subliminal Messaging doubles Speaker Tower's bonuses through extra healing (2%->4% of max health) and fire rate (+25%->+50%) while also changing its icon. Apart from said structure, it affects Speaker Towers on the following units:
* Overlord tanks with Speaker towers upgrade
** The Emperor's Speaker Tower is not affected.
* Helix
* Assault Troop Transport
* Attack Outpost
Category:Generals 1 Chinese upgrades