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LSN4 (formerly DGP-LSN4) Listen-In Module

$0.00
Features   Two-way voice communication with monitoring station   Continuous Recording feature: Record up to a total of 120 seconds

SUB1 (formerly DGP-SUB1) Listen-In Substation

$0.00
Features   Connects to the LSN4 Listen-in module   Comes with three buttons that allow the user to access functions like paging,