High power energy beam
Unlike its Lantean counterpart, the Ori satellite is not autonomous and must be controlled manually via computers on the surface; it is unknown if this was intentional or not on the part of the Ori. Whenever the satellite is powered up, the satellite fires a beam very similar in appearance to the one seen on Ori warships with the single energy beam being powerful enough to pierce a fully-powered if outdated Asgard shield on the Prometheus while also dealing incredible and devastating damage to the ship. Although it was not nearly as powerful as the shields on a modern Asgard vessels, that is still very impressive, since even long time outdated Asgard shields are significantly more powerful than those of the Goa'uld.
The downside of the weapon is that it requires time to charge, which is likely due to Rand's rather primitive state of technology. The satellite also carries a defensive shield powerful enough to resist several Naquadah-enhanced Tau'ri missiles without any signs of stress, and is similarly activated by a computer on the surface. The problem with this, however, is that it can only be activated when the sensors aboard the satellite detect a threat, and if the controlling computer systems on the surface happen to be offline during this time, the shield cannot be activated. (SG1: "Ethon")
While trying to convert the Rand Protectorate, a Prior gave the instructions of the satellite to Rand, but in stages. The Rand themselves built the weapon from the instructions, under the watchful eye of the Prior. After the Rand protectorate used it to completely vaporise a Caledonian militairy base, Jared Kane came to the SGC and asked the tau'ri to destroy it. An attempt by the Prometheus to destroy the satellite failed, resulting in its destruction. However, after President Nadal was killed by Commander Goran Pernaux, the satellite was shut down. (SG1: "Ethon")