The NDR-20A is a 20 call master station from Aiphone which is capable of delivering highquality and reliable operation with its many features. The NDR-20A master station provideshigh communication properties, and comes with a 420’ wiring distance, a selective doorrelease, selective outputs for camera call up and door control, as well as lamp memorycall-in, and a push to talk button. The NDR-20A master station also features additionalcontact capabilities, a 500mW communication output, NEM compatibility, as well as arelease to listen function, and a user friendly design. This master station is easy to install,and is easy to use for any operators.
- Lamp memory call-in from subs - the LED light will stay lit until call is answered
- Extra contact capability for everystation
- Selective door release using one RY-PA perdoor
- All components of the NEM system are compatible
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