Model #: R1
Spec Sheet Preview: The Alpha Communications®/S.T.R.™ R1 buzzer pulsator units are used primarily with the S.T.R.™ handset type  entry intercom systems, to provide a pulsating buzzer  signal from the apartment's individual entry door  pushbutton. The R1 unit works in conjunction with the system amplifier  (models NH200A, NH200TV, NH201TVA, NH201TVA-2,  and NH201TT), and produce a pulsating buzzer sound at  the apartment handset, using the same buzzer that is used  to produce a signal from the lobby entry station. Thes …
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Outside Dimensions:
2.125"W x 3.75"H x 2.625"D
(54mm W x 95mm H x 67mm D)

Architects & Engineer's Specs

The power supply/amplifier(s) shall be Alpha Communications®/S.T.R.™ TV32/S or equivalent. Power supply shall operate from a 12VAC (20VA) U.L. Listed transformer (model T1240). All wiring to power supply/amplifier shall be low-voltage Class II wiring, installed as per all federal, state, and local electrical codes. Power supply/amplifier shall surface mount right to the finished wall and shall be installed in a suitable environment that is free from excessive dirt, dust, temperature, humidity, grease and water. Power supply/amplifier shall provide the intercom amplification and signalling power for the proper system operation. For most secure installation, power supply should be installed into a lockable equipment cabinet/housing. Power supply / amplifier shall be installed a safe distance from any source of electrical interference.

Contractor shall observe all local and national electrical and building codes.

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Alpha Communications®
42 Central Drive  |  Farmingdale, NY 11735-1202
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