Jasec's communicator
From The Stargate Omnipedia
Short-range device that Jasec used to conduct business with other parties. He likely snuck the unit in with his personal effects when he moved to Earth. It may be a Tok'ra communicator that he procured at some point in his travels.
KEY EPISODE
Family Ties - Jasec uses a personal communicator to contact one of Arkad's former Jaffa and begin trading weapons-grade naquadah.