INTERCOM PS ENG.501 WIRED NEW • $325 • PRICED FOR FAST SALE • PS ENGINEERING PM501. 4 Pl New in the box. all phone jacks.professionally wired, MIL.STD wire. • Contact Andrew Griffith - RC ENGINEERING, Owner - located Big Bear City, CA USA • Telephone: 619-300-0447 . • Posted May 11, 2008 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad