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Model #TBM Zone Paging Controls Wheelock Talk-Back Module Talk-Back Expansion Module for the: MZC-144 Modular Zone Control System. Read More   $65.70

Model #MZEM-3 Zone Paging Controls Wheelock 3 Zone Expansion Modules (Audio) 3 Zone Audio Expansion Module for the: MZC-144 Modular Zone Control System Read More   $73.01

Model #MZC-RM Zone Paging Controls Wheelock Relay Module - Provides 3 Relay Contacts Relay Module - Provides 3 Relay Contacts Expansion Module for the: MZC-144 Modular Zone Control System. Read More   $109.50

Model #MZC-BSTR Zone Paging Controls Wheelock Zone Controller Booster Module For use when more than 72 Zones are required - Includes Cable Read More   $262.80

Model #MZC-144 Zone Paging Controls Wheelock Expandable Zone Controller Wheelock’s Series MZC-144 is a Modular Zone Control System with 3 zones expandable to 12 zones. Read More   $321.21