Gainord transmitters
From The Stargate Omnipedia
Communication system on P4M-328, used by members of state and perhaps other individuals of stature. A goal of the rebels on this planet is to have access to the transmitters in the hopes of converting the masses to their political perspective.
KEY EPISODE
Bad Guys - Daniel Jackson is instructed by Cicero to request access to the Gainord transmitters in order to more convincingly pose as a rebel.