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Doorphone – Station Port FXS for Business & Residential

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Algo 3228 Station Port FXS Doorphone for Business and Residential Applications

  • Replaces Algo 3008 doorphone
  • Simple-to-install telephone-integrated entry security intercom solution
  • Visitors cause a telephone to ring which enables conversation when answered
  • A door control relay connects to any type of door release or gate activation system
  • Single-pair wiring to the digital door station enables fast and easy retrofit in residential doorbell replacement or elevator cars
  • Superior voice quality over 4-wire analog systems that use a simple speaker and call button
  • Illuminated call button is easy to find in the dark and is suitable for outdoor environments
  • Digital Signal Processor (DSP) speech technology provides echo cancellers and adaptive noise reduction
  • 24 V 0.3 A power source for low power 24 V door strikes included
  • Programmable inputs and outputs at control unit and intercom station for door sensing, door unlock switch, door unlock override, auxiliary call buttons, or telephone status such as ringing or in-use
  • Single pair digital door station flush or surface mount makes installation or retrofit installation easy
  • Digital speech technology provides superior voice quality
  • Integrated door control relay with 24 V power source
  • Caller Line ID to telephone helps users easily differentiate door calls from standard call
  • Programmable control outputs at controller and door station provide flexibility and reduce wiring requirements
  • Programmable control inputs at controller and door station
  • System is configurable through software via USB, or by telephone through touch-tone (DTMF) commands
  • Global regulatory compliance, RoHS, CEC Energy compliant
  • Out-of-Box plug and play installation requiring no special tools or additional equipment
  • Comes in kit form which consists of a controller, digital door station, power supply, mounting gaskets, and basic cabling and connectors
  • 1 year manufacturer’s warranty
BTP Model: AL-3228
MFR Part: 3228

Additional information

Weight 5 lbs
Dimensions 12 × 7 × 10 in


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User Guide AL-3228

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  • Same-day shipping
  • Full warranty facilitated by BTP


For customer service, sales inquiries, and technical support, contact us Monday–Friday, 8-5 Pacific Time. (After-hours messages and emails are promptly returned the following business day.)

Call: 800-457-4287 or 425-649-9262

Email: info@btpi.com

Special order, 1-2 weeks.

Sometimes this item is not in stock, due to low demand. In this case, expect a phone call or email from BTP Customer Service letting you know the estimated ship date.

If your order includes other products that are in stock, we will give you the option of waiting until all items are in stock to receive your order, or you may request a partial shipment of in stock item(s) with the special order item(s) to follow when available.

BTP does everything possible to eliminate delays and unnecessary expense associated with returns. At least two members of the BTP team will review your order for accuracy. If we have any questions or concerns about your order, such as two incompatible products, we will contact you right away.


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