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Safeguard Supply

Era Extx Wired Doorbell Wireless Transmitter Jpg
Wired-to-wireless extension

Doorbell Signal Transmitter: ERA-EXTX

$34.95
In stock

4 interest-free payments of $8.74 with Afterpay

The ERA-EXTX is a doorbell signal transmitter that wires into your existing wired doorbell and broadcasts the press up to 4,000 ft to compatible ERA receivers. It is battery-powered, supports front and back doorbells on the same system, and works with all ERA receivers. Note: it is not compatible with video doorbells.

Best forExisting wired doorbells
Alert pathDoorbell press to wireless receiver
Check firstNot for video doorbells

SKU: ERA-EXTX

Category: ERA Series

Brand: Safeguard Supply

PDF user manualView installation and setup guideReceiver soundsPreview ERA receiver sounds

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Shop the full ERA family

See the full ERA commercial, long-range (4,000 ft) family.

ERA setup guides

Get programming, pairing, and range troubleshooting help for ERA.

Add ERA-DCRX accessories

Pair compatible 12V DC strobes, bells, and sirens when the install needs stronger notification.

WHY THIS SYSTEM

Keep the existing doorbell and add alerts where they are missing.

The ERA-EXTX is the wired-in transmitter that turns a standard wired doorbell into a wireless one. When the doorbell is pressed, the ERA-EXTX sends the signal to any paired ERA receiver up to 4,000 ft away. Use it to add range and extra chimes to a doorbell you already have. It is part of the doorbell extender range.

  • +Adds wireless receiver coverage without replacing the existing chime.
  • +Useful for basements, workshops, stockrooms, offices, and detached areas.
  • +Best paired with extra receivers when multiple people or rooms need the alert.
  • +Keeps the familiar wired chime while adding remote wireless alerts.
  • +Helps people hear the door from basements, shops, stockrooms, back offices, or detached work areas.
  • +Reduces missed visitors without forcing a full doorbell replacement.
What the ERA-EXTX does

The ERA-EXTX is the wired-in transmitter that turns a standard wired doorbell into a wireless one. When the doorbell is pressed, the ERA-EXTX sends the signal to any paired ERA receiver up to 4,000 ft away. Use it to add range and extra chimes to a doorbell you already have. It is part of the doorbell extender range.

Signal and installation
  • Dual door support: works with front and back doorbells on the same system
  • Wide voltage range: compatible with 4V-24V wired doorbells
  • Long battery life: 2-3 years on the included CR123A lithium battery
  • Flexible mounting: next to, on top of, or inside the chime cabinet/cover, room permitting
  • Universal compatibility: works with all ERA receivers
  • Three-wire connection with quick receiver pairing; mounting hardware included
Specifications
  • Includes transmitter, double-sided mounting tape, high-powered lithium battery, and user manual
  • Compatible with traditional 4V-24V wired doorbells
  • Transmitter dimensions: 1.75"W x 2"H x 0.75"D
  • Wire length: approximately 9" each
  • Supports a two-door configuration (for example, front and back door)
  • Range: up to 4,000 ft line of sight (environmental factors and building materials may reduce range)
  • Battery: CR123A high-powered lithium (2-3 year lifespan)
Compatibility
  • ERA-DCRX desktop receiver
  • ERA-RXPG plugin receiver
  • ERA-VPRX portable receiver
  • Standard wired doorbells
  • Not compatible with video doorbells
Installation

The ERA-EXTX installs at your existing doorbell chime. Connect three wires to your current system following the wiring diagram. No special tools are required for a basic setup.

Manuals & resources

Download setup and support documents for this product.

Use these PDFs for installation, pairing, troubleshooting, and compliance details when they are included by the manufacturer.

PDF manual

ERA EXKIT Manual

Download the PDF resource for setup, product details, and support reference.

  • Installation and setup steps for this product.
  • Pairing, placement, and receiver or transmitter setup notes.
  • Wiring, power, mounting, or accessory connection details.
Download PDF
Common questions

Wireless doorbell buying questions, answered.

Will this replace my current chime?

No. Extender products are positioned to keep the existing wired chime and add wireless receivers elsewhere.

Can I add more receivers?

Yes. Choose receivers from the same compatible family so alerts can be heard or seen in more areas.

Does it work with video doorbells?

Safeguard product copy notes that these extender transmitters are not compatible with video doorbells.

Setup & compatibility guides

Related FAQ articles for this product family.

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