April Ford, 45, of Bridgeport, is charged with conspiracy to commit first-degree larceny and conspiracy to commit first-degree robbery in connection with the January robbery of a Trumbull Radio Shack.
Police said Ford sold of the phones reportedly stolen by the ring.
In the January robbery, two men and a woman entered the store while the woman waited outside.
One man claimed he had a gun and they took an unreleased amount of cash and cell phones valued at several thousand dollars.
In all, the ring's suspects stole about 400 cell phones from Radio
Shacks and an AT&T store and a Verizon one, in Trumbull, Orange, New
Haven, Hamden, Wallingford, Clinton, East Haven and New Britain.
have said handguns were either displayed or implied at the robberies, which
typically took place either right before closing or just after opening.
Store employees were tied up in at least two of the robberies.
Ford was held in lieu of $100,000 bond for an Oct. 7 appearance in Bridgeport Superior Court.