6 NEW LINEAR DX SERIES TRANSMITTERS 1 DXT-21 1 CHANNEL HAND HELD, 1 DXT-31 DOOR / WINDOW SENSOR, 3 DXT-41 1 CHANNEL MINI FOB AND 1 DXT-42 2 CHANNEL FOB FOR USE WITH LINEAR DX SERIES RECEIVERS OR SYSTEMS. NOT FOR ADEMCO OR DSC UNLESS ADDITIONAL LINEAR RECEIVER IS USED.
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