An interesting effort to find the frequencies: Arizona State Prison - Florence West, at 915 E Diversion Dam Rd, is assocated with Central AZ Correctional Facility at 1401 E Diversion Dam Rd. These two private prisons were designed and built by Correctional Services Corporation, which were purchased by The GEO Group, the current owners. The FCC License WQCH421 is licensed to CSC - Florence for apparent use by both facilities, mobile-only, 4 watt limitation: 461.7, 463.9, 464.425, and 464.625.