RCA

RCA ADXRC940 Wireless Portable Phone VoIP Adapter

Name: RCA ADXRC940 Wireless Portable Phone VoIP Adapter
Brand: RCA
SKU: ADXRC940

Add a Phone Jack Anywhere with RCA's Wireless SolutionThe RCA RC940 Wireless Portable Phone Jack offers a convenient way to add a fully functional phone or modem jack without the need for running wires. Using your home's AC wiring, it turns any outlet into a phone or VOIP connection point. VOIP C...

$189.99*

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*Price sourced from Amazon.com. Last updated:Aug 30, 2026.Price and availability are subject to change — details.

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Overview

Add a Phone Jack Anywhere with RCA's Wireless Solution

The RCA RC940 Wireless Portable Phone Jack offers a convenient way to add a fully functional phone or modem jack without the need for running wires. Using your home's AC wiring, it turns any outlet into a phone or VOIP connection point. VOIP Compatible.

Technical Specifications:

Type: Wireless Portable Phone Jack
Technology: Uses AC wiring in home
Compatibility: VOIP compatible
Functionality: Adds a phone/modem jack without wires
Special Feature: Not satellite compatible

Key Features

ADDS A FULLY FUNCTIONAL PHONE/MODEM JACK WITHOUT RUNNING WIRES.

WIRELESS PHONE MODEM.

USES AC WIRING IN HOME.

TURNS ANY AC OUTLET INTO A PHONE OR VOIP JACK.

ALLOWS USER TO MAKE VOIP CALLS FROM ANYWHERE IN HOUSE (REQUIRES VOIP SERVICE).

Specifications

Connectivity

Wireless Phone Modem

Function

VoIP Adapter, Phone Jack Extender

Power Source

AC Wiring in Home

Frequently Asked Questions

How does this adapter create a phone jack?

The RCA ADXRC940 uses your home's existing AC electrical wiring to extend a fully functional phone/modem jack to any AC outlet.

Can I make VoIP calls with this device?

Yes, you can make VoIP calls from anywhere in your house using this adapter, but it does require an existing VoIP service.

Does this product require special wiring to install?

No, it is designed to add a phone/modem jack without running new wires, as it leverages your home's AC wiring.

Is this a truly wireless device, or does it use existing infrastructure?

It functions as a wireless phone modem by using the existing AC wiring in your home, turning any AC outlet into a phone or VoIP jack.

What does "wireless portable" mean in this context?

It means you can establish a phone/VoIP jack at any AC outlet without running new phone lines, making the jack "portable" to different outlets.

Strengths & Trade-offs

👍 Pros

Provides a fully functional phone/modem jack in any AC outlet without the need for additional wiring.
Converts any AC outlet into a phone or VoIP jack, offering flexible placement options throughout a home or office.
Utilizes existing AC wiring within a home, simplifying installation and reducing clutter.
Enables users to make VoIP calls from virtually anywhere in the house, provided a VoIP service is active.
Functions as a wireless phone modem, offering connectivity without dedicated phone line installations.

👎 Cons

Requires an active VoIP service to facilitate VoIP calls, as the adapter itself does not provide the service.
Relies on the quality and integrity of a home's existing AC wiring, which could impact signal performance in older homes.
The device's performance may be subject to interference from other electrical devices or powerline noise.
Users might still need a traditional phone jack for non-VoIP landline services, which this adapter doesn't provide natively.
The convenience of "wireless" connectivity is dependent on the AC power grid, not on traditional radio-frequency wireless signals.