ERA-EXTX Door Bell Chime Extender

Easily Make Your Wired Door Bell Louder with the ERA-EXTX Door Bell Chime Extender.

If you’re like many people, sometimes you miss a visitor at your door because you cannot hear the wired doorbell in your home. This is especially true for the elderly and the hard of hearing. Most wired doorbells have a decibel rating between 65 – 75 dBA and only play a simple ding-dong sound. There is an easy solution: the ERA-EXTX by Safeguard Supply.

By simply wiring the ERA-EXTX into your existing wired doorbell and purchasing a compatible ERA receiver (ERA-DCRX, ERA-RXPG, ERA-VPRX – sold separately), when a visitor pushes the pushbutton outside your home, the wired doorbell will chime as usual. Still, simultaneously the compatible receiver will play a selected chime sound, vibrate, or flash (depending on the model).

How the ERA-EXTX Doorbell Extender Works

The ERA-EXTX is a small transmitter that wires into your existing doorbell. It wires into the front doorbell, second doorbell, and standard terminals of the wired chime in your home. A high-powered lithium battery with 3-year estimated lifetime power it. When your wired doorbell is triggered and plays its standard ding-dong sound, this small transmitter will send a radio signal up to 4,000 ft. away to the ERA-compatible receiver.

A compatible ERA door chime receiver must be used in conjunction with this transmitter for it to work. Once the transmitter (ERA-EXTX) is programmed to the receiver, the receiver can be placed anywhere in your home or business, enabling you to hear the chime sound when a visitor is at your door. Multiple receivers may be placed throughout your home or office. For instance, place a receiver in your kitchen, upstairs bedroom, or basement and never miss a visitor again. Use it with the ERA-VPRX portable receiver, for example, and work outside or in your workshop to give you mobility. As long as the receiver is within a 4,000 ft. range, it will pick up the signal sent from the transmitter.

How the ERA-EXTX is Wired Into Your Doorbell

Most wired doorbells have three screws, typically called terminal screws, under the wired doorbell cover or cabinet. One screw is for the front door, another is for the “second door,” and a third is for the “common” or “transformer.” The ERA-EXTX has three wires, one for the front door, one for the second, and another for the common. Simply follow the included directions to wire the transmitter to the doorbell.

Diagram of the ERA-EXTX Wired Into a Standard Wired Doorbell

ERA-EXTX Features and Specifications

• ERA-EXTX ships with the transmitter, double-sided mounting tape, high-powered lithium battery, and user manual.
• The ERA-EXTX works with traditional 4V-24V wired doorbells.
• Dimensions of transmitter: 1.75” W x 2”H x 0.75” D
• Each wire is approximately 9” long
• Typically mounts next to, on top of wired chime, or inside the chime cabinet/cover room permitting.
• It works with standard wired doorbells that play a “Ding-Dong” sound and two doors (for example, a front and back door).
• The range of ERA-EXTX transmitter to compatible receiver is up to 4,000 ft, line of sight. Environmental and building materials will decrease the wireless range.
• Must have compatible ERA receiver, sold separately:
  • ERA-DCRX Desktop, Wall Mount Receiver
  • ERA-RXPG Plugin Receiver with Flashing Strobe
  • ERA-VPRX Portable Receiver with Vibration & Rechargeable Batteries
• The battery in the transmitter is a CR123A, a high-powered lithium battery with a life of 2-3 years.