Parallel Lapel wireless system package. Half rack, diversity receiver, LED channel display 520MHz

Parallel Handheld wireless system package. Half rack, diversity receiver, LED channel display 650MHz Artist-HH 650 Parallel Handheld wireless system package. Half rack, diversity receiver, LED channel display 566MHz Artist-HH 566 Parallel Handheld wireless system package. Half rack, diversity receiver, LED channel display 520MHz Artist-HH 520 Inter-M Automated Remote Messaging unit, 10 emergency voice message supplied via SD card ARM-911A Atmosphere™ RCA/3.5mm Audio Input (Black) A-RCA-US-B