Commercial sound and CCTV
David Hall Communications for BACKGROUND MUSIC SOUND EQUIPMENT PUBLIC ADDRESS CLOSED CIRCUIT TV VOICE EVACUATION HEARING AID LOOPS PAGING 2 WAY RADIO MOBILE COMMS INSTALLATION trade distributors & suppliers of: ADASTRA CURRENT THINKING EAGLE ENTEL INKEL INTER M PASO PENTON RCF SIGNET SKYTRONICS TOA