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Security Systems & Networking

Alpha 3403 — 3-Wire Apartment Intercom Surface Station for Chicago

Model / Series: 3403

The Alpha 3403 is a 3-wire surface-mount apartment intercom station — TALK / LISTEN / DOOR push buttons for resident-side use, white plastic faceplate, 6.13 in W × 7.00 in H × 0.58 in D. Surface-mounts on a BB-30 flush back box, BB-51 surface back box, or RH6 adapter plate. Compatible with Alpha AF-1000 amplifier (3- to 6-wire apartment systems). The Chicago choice for legacy 3-wire apartment intercom in-unit stations — replacement / takeover deployments at older multifamily buildings.

Alpha 3403

Specifications

Brand
Alpha
Series
Alpha Apartment Intercom Stations
Model
3403
Form Factor
3-wire surface-mount apartment intercom station
Buttons (per Alpha)
TALK / LISTEN / DOOR
Material (per Alpha)
White plastic faceplate
Dimensions (per Alpha)
6.13 in W × 7.00 in H × 0.58 in D (156 × 178 × 15 mm)
Back Box Compatibility (per Alpha)
BB-30 flush back box, BB-51 surface back box, or RH6 adapter plate
System Compatibility (per Alpha)
Alpha AF-1000 amplifier (3-, 4-, 5-, 6-wire apartment systems)

Best Fit & Recommended For

Chicago multi-tenant residential apartment in-unit intercom station
Legacy 3-wire apartment intercom takeover / replacement
Property-management portfolio standard station for AF-1000 sites
HOA / condo building unit station
Mid-rise / high-rise residential in-unit station
Hospitality boutique-property guest-room station
Older Chicago apartment building modernization

Alpha 3403 — 3-Wire Apartment Intercom Surface Station

The Alpha 3403 is a 3-wire surface-mount apartment intercom stationTALK / LISTEN / DOOR push buttons for resident-side use, white plastic faceplate, 6.13 in W × 7.00 in H × 0.58 in D. Surface-mounts on a BB-30 flush back box, BB-51 surface back box, or RH6 adapter plate. Compatible with the Alpha AF-1000 amplifier that supports 3- to 6-wire apartment systems. The Chicago choice for legacy 3-wire apartment intercom in-unit stations — replacement and takeover deployments at older multifamily buildings.

What’s Confirmed by the Official Alpha Spec

These specifications come from alphacommunications.com Alpha 3403 product page:

  • Type: 3-wire surface station, plastic
  • Dimensions: 6.13 × 7.00 × 0.58 in (156 × 178 × 15 mm)
  • Mounting: surface mount on BB-30 / BB-51 / RH6
  • System compatibility: Alpha AF-1000 amplifier (3–6 wire apartment systems)

When Alpha 3403 Fits

Pick the Alpha 3403 when the building is on a legacy Alpha AF-1000 3-wire apartment intercom platform and the project is replacement / takeover of in-unit stations. For a 4-wire universal station (replaceable on most older systems), see the Alpha IS204A. For a stainless-steel 4-wire variant, see the Alpha IS407S. For the matching multi-button speaker entrance panel at the building lobby, see the Alpha AM492.

Where the Alpha 3403 Wins in Chicago

  • Multi-tenant residential apartment in-unit station (legacy 3-wire systems)
  • Legacy 3-wire apartment intercom takeover / replacement
  • Property-management standard station for AF-1000 sites
  • HOA / condo building unit station
  • Mid-rise / high-rise residential in-unit station
  • Hospitality boutique-property guest-room station
  • Older Chicago apartment building modernization

Local Chicago Coverage

Vidimost installs the Alpha 3403 across the full Chicago metropolitan area for legacy 3-wire apartment intercom in-unit station deployments.

  • Alpha AM492 — multi-button speaker entrance panel
  • Alpha IS204A, Alpha IS407S — newer 4-wire siblings
  • BB-30, BB-51, or RH6 mounting hardware (specified per project)
  • AF-1000 amplifier (head-end, specified per building)

Professional Installation by Vidimost

Vidimost LLC installs the Alpha 3403 across Chicago for legacy apartment intercom deployments. Full-scope service includes site walkthrough, in-unit back-box verification, AF-1000 head-end testing, station replacement / addition, and door-release verification. Contact us for a free site walkthrough and quote.