Monitoring Incident in Frank Sector, PGCo PD, Freq, 494.5625, Allentown Rd and Coolridge Rd. Requesting, Homicide Det, SOD, Fire Board along with a perimeter and numerous other units including a "Bearcats" (?), snipers setting up. It’s a male in a house, I guess barricaded and armed with guns. Radio has now been transferred to the command post from communications. Negotiators on scene. Some communications are only one sided from units to command post. TAC personal suited up.