Alpha HT40W, HT40A Specsheet

Product Specification Sheet A PS846 - Rev. 11/2013

HT40 Series 2-Wire QwikBUS™ Loop Handsets

42 Central Drive • Farmingdale • NY • 11735-1202 • Phone: [phone] • Fax: [phone]

TOLL-FREE: [phone] • Web: AlphaCommunications.com • Email: [e-mail]

Copyright© 1998-201 4 Alpha Communications® - All Rights Reserved.

Due to co ntinuous pro duct improvement, all colo rs, sizes, materials, finishes and specification s are subject to ch ange without n otice.

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HT40W (White) Front View

HT40A (Anthracite) Angled View

HT40 Series 2-Wire QwikBUS™ Loop Handsets

The Alpha Communicat ions® / S.T.R.™ HT40 QwikBUS™ Series handsets are designed to
work as an apartment type handset intercom station, using a minimal of wiring. All

HT40 handsets in a building c an be wired on only t wo (2) c ommon (loop) wires! Choose from

White or Anthracite (Charcoal) colors.

These att ractive handsets easily surface mount right on t he wall or over a single gang flush
elect rical back box (or plaster ring). Handsets can be changed to desk mount with the
addition of a model TZ1003 series desk adapter.

All HT40 series QwikBUS™ handset s feature textured finish (t o minimize scratc hes and
fingerprints), electronic tone signaling, heavy duty replaceable c oiled cord and (3) three
momentary button switches. These switches can be used for door release, or
other signaling func tions, depending upon syst em c onfiguration, as well as LED
indication/programming.

Features

Crystal Clear Enhanced Half-Duplex Voice Operation
Easy Installation - Only 2 Common (loop) Wires Required
Eavesdrop Privacy
Clear Voice Fidelity using Elect ret Condenser Microphones
Rugged and Reliable / Simple to Operate
Mounts Surfac e or Desk (with optional TZ1003 series adapt er)

HT40 available in White or Anthracite (Charcoal) c olor

Specifications

Dimensions:

All HT40 series handset s are 3.35"W (86mm) x 7.35"H (187mm) x

1.85"D (47mm). All dimensions shown are for the surfac e wall type
handset, less the coiled cord.

Microphone: Electret Condenser Type

Push Buttons:

(1) with Door Opener (KEY) symbol and (1) spare (Round Dot), and
(1) LED

Architects' And Engineers' Specifications

The 2- Wire handset st ation(s) shall be Alpha Communicat ions® / S.T.R.™ QwikBUS™ HT40
(in White or Anthracite) c olor. Handset(s) shall be mounted (surface or desktop with
optional adapter). Handset(s) shall feature electret c ondenser microphone for exceptional
voice fidelity, and enhanced half- duplex voic e. Handsets that include carbon transmitter or
other lesser voic e technologies, shall not be accept able. Handset shall have a textured
finish and heavy duty coil c ord. Handset shall include a door release (KEY SYMBOL) button,
auxiliary (ROUND DOT) push button and LED/programming pusbutton. Push buttons shall be
clearly visible and shall be marked in a different color. Handset(s) shall include a built- in
elect ronic c all tone signal. Handset(s) shall require only two (2) common (loop) wires for
system operation.

Contract or shall observe all local and national electrical and building codes.