Contents

The Best Z-Wave Extender of 2023 – Reviewed and Top Rated

2,537 (random number) Reviews Scanned

Rank No. #1

Zwave Plug 700 Series 2 Pack, Zwave Mini Smart Plug Built-in Repeater Range Extender, Zwave Outlet with Timer Voice Control Function, Z-Wave Hub Required, FCC & ETL Listed, 1800W…

【Zwave Plug Compatible with Z-Wave Hub Type】 Zwave plug work with SmartThings, Vera, Wink, Fibaro, Homeseer, Hubitat. Zwave smart plug compatible with alexa & google assistant(𝐑𝐞𝐪𝐮𝐢𝐫𝐞𝐬 𝐚 𝐙-𝐖𝐚𝐯𝐞 𝐜𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐡𝐮𝐛, sold separately). 𝐍𝐨𝐭𝐢𝐜𝐞: 𝐂𝐚𝐧𝐧𝐨𝐭 𝐜𝐨𝐧𝐧𝐞𝐜𝐭 𝐝𝐢𝐫𝐞𝐜𝐭𝐥𝐲 𝐰𝐢𝐭𝐡 𝐄𝐂𝐇𝐎 𝐏𝐋𝐔𝐒 & 𝐕𝐢𝐯𝐢𝐧𝐭 𝐡𝐮𝐛！ FCC & ETL listed.
【Easier Faster Connection】 Z-Wave smart plug easy and fast set up, Follow the instructions and zwave plug the device into plug and connect to the hub to use the zwave plug function. No wiring required.
【Voice Control & APP Remote Control】 You can use the zwave smart plug app to remotely control the device with voice, like "Alexa, Turn on the coffee machine to make coffee", and you can drink the freshly made coffee when you get home, enjoy the happiness brought by smart life.
【Set Timer & Schedule】 Setting schedules and countdowns for devices connected to zwave smart outlet socket, automatically turn on or off devices according to the set time and make your life orderly.
【Safety Reliable & Lifetime Warranty】 Z wave Plug are equipped with flame-retardant housing and overload protection circuit. ETL certified. Lifetime warranty, If you have any questions, we will accompany you find a solution until you are satisfied.

SaleRank No. #2

Leviton DZPA1-2BW Decora Smart Plug-in Outlet with Z-Wave Technology, White, Repeater/Range Extender

Z-WAVE PLUS CERTIFIED: requires Z-Wave hub such as SmartThings or Wink
VOICE CONTROL: works with Alexa (Z-Wave hub required, Alexa device and hub sold separately)
CONTROL: Provides 15A, 120 VAC NEMA 5-15R grounding receptacle for use with a wide variety of lamps and appliances
LEVITON: Making your home smarter and safer since 1906. Designed, engineered, and supported in USA with a 5-Year Limited .
SMART: Protected memory maintains ON/OFF status of loads and during minor power fluctuations

Rank No. #3

Minoston Z-Wave Plus Outlet, Mini Plug in Socket, 15A, Z-Wave Hub Required, Built-in Repeater/Range Extender, Work with SmartThings, Wink, Alexa, Google Assistant, FCC & ETL Listed(MP21Z)

Remote and Voice control: A large range of types of load are supported to be controlled like lamps or small appliances from anywhere and any time by your mobile devices. Hands-free voice control by Alexa like: “Alexa, turn on the coffee maker”. Home automation is from a little Z-Wave Plug to control small appliances that you want.
Timer and schedule: Control lights and applications to turn on or off via a schedule at certain time of the day to meet your needs and reduce your electricity bill. Set up custom scenes with other zwave devices to enrich intelligent life.
Mini Z-Wave Outlets but Poweful: Mini size design of this zwave plug makes it portable and you can make the most of your wall outlets. Suitable for your home applications with 15A, 125 VAC grounding receptacle for use with a wide variety of lamps and appliances.
Reliable Z-Wave 800 Series: This zwave plug has built-in a 800 series chip. This 800 series zwave plug has better signal coverage than ever, and faster communication, with S2 authenticated security and SmartStart for effortless pairing. Extend the wireless coverage up to 1300ft if your hub supports Long Range.
Easy to Setup: S2 end-to-end security and Smartstart pre-programming make the setup process more easy. No wiring is required. Simply plug in the device to a wall outlet and connect to your hub for convenient smart outlet features.

Rank No. #4

Zwave Smart Light Dimmer Outlet, Z-Wave Smart Plug-in Socket, Built-in Repeater, Z Wave Hub Required, Works with SmartThings, Wink, Alexa, Google Assistant

【Z-Wave Dimmer Outlet & Long Range】: Eva Logik ZW39 zwave dimmer smart outlet has better signal coverage than ever, and faster communication, with authenticated security and effortless pairing. Once plugged in,the wall plug acts as a signal repeater that boosts connectivity between hub and devices. Please NOTE: It can enhance the transmission range of the signal, but not the signal strength.
【Brightness Adjustable】: The Z-wave dimming plug allows you to adjust the brightness level between 1-100%, enjoys the brightness you like by controlled via zwave hub or the outlet button.
【Compact but Powerful】: This Z-Wave smart outlet allows you to still use the top outlet by plugging this into the bottom outlet, ensuring the top remains usable. Compared to other plugs, our smart plug sets the socket on the side, preventing tilting. Also, our zwave smart outlet has a power of up to 500W, designed for most residential lighting and applications. It's compatible with LED, halogen, incandescent.
【Remote Control and Voice Control】: Enjoy the convenience of remotely controlling connected devices through a Z-Wave controller, providing flexibility and accessibility. Enjoy hands-free voice control with Alexa & Google Home, Z-WAVE HUB REQUIRED(and need hub compatibility with Alexa).
This Z-Wave smart outlet allows you to personalize device names, schedules, and automation settings according to your preferences. Reduce your electricity bill by controlling the devices connected to the zwave plug to turn on or off at specific times via a schedule. This zwave plug can also be combined with other devices to set customized scenes to provide automated living!

Rank No. #5

2 Pack of Aeon Labs Z-Wave Range Extender (DSD37)

SaleRank No. #6

UltraPro Z-Wave Smart Light Dimmer with QuickFit & SimpleWire, 3-Way Ready, Works with Alexa, Google Assistant, ZWave Hub Required, Repeater/Range Extender, White Paddle, 2-Pack, Smart Switch, 54897

LIGHT FLICKERING? – The 52327 Direct Lighting Bypass (ASIN: B08ZJQV7W2) is designed for Jasco, Enbrighten, UltraPro, GE-branded and Honeywell Z-Wave smart dimmers but may improve performance of other Z-Wave or Zigbee dimmers to prevent light flickering.
Revolutionary, patent-pending design – QuickFit and SimpleWire technologies offer groundbreaking home automation features. Unique advancements make the smart controls easier to install and more reliable than ever.
QuickFit – Improved components reduced the housing depth by up to 20% compared to previous Z-Wave models and eliminated the need for heat tabs. QuickFit enhancements are the ideal smart solution for older-style switch boxes, multi-gang configurations or any other application with limited space.
SimpleWire – Auto-detecting line/load terminals support fast installation by identifying line and load wires and configuring the dimmer accordingly. Dual ground ports, which are offset to avoid switch box mounting screws, support daisy-chaining in multi-switch setups.
Voice control – Enjoy the convenience of voice control with Google Assistant or Amazon Alexa when connected through a compatible Z-Wave hub.

Rank No. #7

UltraPro Z-Wave Smart Light Switch, Smart Toggle Light Switch, QuickFit & SimpleWire, 3-Way Ready, Works with Alexa, Google Assistant, ZWave Hub Required, Repeater/Range Extender, White, 2 Pack, 54912

WIRELESSLY CONTROL & SCHEDULE LIGHTS AND OTHER DEVICES – Schedule timed events for connected devices. Customize scenes for day or night, home or away. Wirelessly control switch from anywhere through your smartphone, tablet, PC or Z-Wave remote. Switch can be operated manually.
REQUIRES A Z-WAVE CERTIFIED HUB - Compatible with the following Z-Wave Hubs: Honeywell, Ring, SmartThings, Wink, HomeSeer, Fibaro, Trane, Nexia, ADT, Vera, and more.
ALEXA COMPATIBLE (HUB REQUIRED) - Requires an Alexa supported hub for voice control with Amazon Echo Products (Alexa device and hub are sold separately).Cannot connect directly with ECHO PLUS (Only ZigBee products can connect directly to Echo Plus).
IN-WALL INSTALLATION WITH HARD WIRED CONNECTIONS (NEUTRAL WIRE REQUIRED) – Replace your existing in-wall switch in as little as 15 minutes - Wall plate is NOT included. A neutral wire is required – please confirm that the wiring in your home is compatible before purchasing (older homes may not have neutral wires).
COMPATIBILITY - Works with all LED, CFL, halogen, incandescent bulbs, and other devices.

Rank No. #8

UltraPro Z-Wave Smart Rocker Light Dimmer with QuickFit and SimpleWire, 3-Way Ready, Compatible with Alexa, Google Assistant, ZWave Hub Required, Repeater/Range Extender, White Paddle Only, 39351

FULL RANGE DIMMING – Give your space the perfect amount of light with the ability to customize the brightness levels from 0 to 100%. Works ONLY with dimmable bulbs and lamps.
WIRELESSLY CONTROL & SCHEDULE LIGHTS AND OTHER DEVICES – Schedule timed events for connected devices. Customize scenes for day or night, home or away. Wirelessly control switch from anywhere through your smartphone, tablet, PC or Z-Wave remote. Switch can be operated manually.
ALEXA COMPATIBLE (HUB REQUIRED) - Requires an Alexa supported hub for voice control with Amazon Echo Products (Alexa device and hub are sold separately). Cannot connect directly with ECHO PLUS (Only ZigBee products can connect directly to Echo Plus).
REQUIRES A Z-WAVE CERTIFIED HUB - Compatible with the following Z-Wave Hubs: Honeywell, Ring, SmartThings, Wink, HomeSeer, Fibaro, Trane, Nexia, ADT, Vera, and more.
IN-WALL INSTALLATION WITH HARD WIRED CONNECTIONS (NEUTRAL WIRE REQUIRED) – Replace your existing in-wall switch in as little as 15 minutes. Includes a blue LED indicator light to locate the switch in a dark room. Wall plate is NOT included.

Rank No. #9

Enbrighten Z-Wave Plus Fan Control, Works with Alexa, Google Assistant, 3-Way Compatible, ZWave Hub Required, Repeater/Range Extender, Smart Ceiling Fan Control, Smart Switch, White & Almond, 55258

Switch upgrade – Easily replace any standard in-wall switch to remotely turn on or off and adjust speed levels – high, medium and low settings – of a ceiling fan.
Multiple fans – Wirelessly control and schedule up to two identical fans from the same in-wall device
Dedicated device – The smart control is specifically designed to operate fan speeds. It cannot be used with lighting. Lights on fans with 3 wires – usually red, black & white – can be controlled using a separate Enbrighten Z-Wave smart switch or dimmer.
Range extender – The fan control repeats your Z-Wave signal from your hub or other Z-Wave devices to extend your range by up to 150ft. Extended signal range increases your home automation coverage to enhance your control.
Changeable paddles – White and light almond paddles are included to match your existing switches. Additional colors of the easily changeable paddle are also available.

Rank No. #10

Enbrighten Z-Wave Plus Smart Motion Light Dimmer, Works with Alexa, Google Assistant, SmartThings, Wink, Zwave Hub Required, Repeater/Range Extender, 3-Way Compatible, Dimmer Switch, Smart Home, 26933

VOICE CONTROL – ALEXA & GOOGLE ASSISTANT COMPATIBLE (requires a Z-Wave certified hub). Works with the following Z-Wave certified hubs: SmartThings, Ring Alarm, Wink, ADT Pulse, ADT Command, Trane, Vivint, Nexia, Honeywell, Home Seer, Harmony Home Hub Extender, Vera and more.
SELECT MOTION CONTROL – The dimmer adjusts brightness levels of dimmable LED, CFL, incandescent and halogen lights from 0-100 percent to reduce energy costs and improve bulb life. Personalize the dimmer with three motion-detection options – occupancy, vacancy and manual. Occupancy mode turns lights ON/OFF automatically, while lights are turned on manually and off automatically in the vacancy setting. To deactivate the motion sensor, select manual operation. With five time-out duration options ranging from five seconds to 30 minutes and up to 180-degree detection coverage, the dimmer accommodates any room with varying amounts of activity. Additionally, enjoy custom scenes, versatile scheduling and convenient alerts with remote operation and voice control when connected to a compatible hub.
3-WAY READY – The smart device operates perfectly on its own or seamlessly integrates into multi-switch setups with required add-on switches – models 12723 or 46199. Up to four add-on switches can be connected to the same device.
FULL-HOME COVERAGE – Z-Wave Plus works with all previous Z-Wave generations to allow continued expansion of your home-automation network. The dimmer is capable of controlling indoor or outdoor fixtures for whole-home automation and repeats your Z-Wave signal from your hub or other devices to extend your range by up to 150ft. Extended signal range increases your home automation coverage to enhance your control.
EASY INSTALLATION – Requires indoor in-wall installation with hardwired connections. NEUTRAL WIRE REQUIRED. Includes white and light almond cover buttons (wall plate not included). Full-range dim ability for use with dimmable LEDs and CFLs as well as incandescent and halogen bulbs. Supported wattage – 600W incandescent; 150W LED/CFL. Supported voltage – 120VAC. Operating temperature range 32-104 degrees Fahrenheit.

Rank No. #11

Enbrighten Z-Wave Plus Light Dimmer with QuickFit & SimpleWire, Compatible with Alexa, Google Assistant, Zwave Hub Required, Repeater/Range Extender, 3-Way, White & Light Almond, Smart Switch, 52252

No-neutral dimming – Certified to properly function at a low minimum wattage – tested as low as 2W – the dimmer fully controls most fixtures without requiring a neutral wire. Adjusting brightness levels of dimmable LEDs and CFLs as well as incandescent and halogen lights from 0-100% cuts energy costs and improves bulb life.
Revolutionary, patent-pending design – QuickFit and SimpleWire technologies offer groundbreaking home automation features. Unique advancements make the smart controls easier to install and more reliable than ever.
QuickFit – Improved components reduced the housing depth by up to 20% compared to previous Z-Wave models and eliminated the need for heat tabs. QuickFit enhancements are the ideal smart solution for older-style switch boxes, multi-gang configurations or any other application with limited space.
SimpleWire – Patented auto-detecting line/load terminals support fast installation by identifying line and load wires and configuring the dimmer accordingly. Dual, offset ground ports avoid switch box mounting screws and support daisy-chaining in multi-switch setups.
Voice control – Enjoy the convenience of voice control with Google Assistant or Amazon Alexa when connected through a compatible Z-Wave hub.

Rank No. #12

Z_wave (Extended Edit)

Rank No. #13

SCHLAGE Z-Wave Connect Camelot Touchscreen Deadbolt with Built-In Alarm, Satin Nickel, BE469 CAM 619, Works with Alexa via SmartThings, Wink or Iris

Works with Alexa for voice control (hub required, Alexa device and hub sold separately)
Touch Screen keypad and lock cylinder on exterior and thumb turn interior. Door thickness range is 1.37 to 1.75 standard
Stores up to 30 personalized user codes at a time
Built in alarm with 3 alert settings. Battery Uses 4 AA alkaline batteries. Exterior Dimensions 3 x 5 x 1 inches. Interior Dimensions 3 x 8 x 2 inches
Z wave technology connects to your home automation system and lets you lock or unlock your door remotely via the web or smartphone.Volts:6 V

Rank No. #14

ecobee3 Lite Smart Thermostat - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - DIY Install, Black

Save up to 23% annually on heating and cooling costs (compared to a hold of 72°F)
Control from anywhere using your Android or iOS device
Add SmartSensor to manage hot or cold spots and deliver enhanced comfort to the rooms that matter most
Automatically pauses your heating or cooling when a door or window is left open (requires ecobee SmartSensor for doors and windows and a Smart Security subscription)
ecobee was named an ENERGY STAR Partner of the Year award winner

SaleRank No. #15

Aeotec Range Extender Zi - Zigbee Network Extender - Improves Range and Stability of Zigbee Network

Zigbee Extender - Extend the range of your SmartThings, HomeAssistant, or other Zigbee based wireless network
Remove Dead Spots - The Range Extender Zi is the perfect solution to reach your Zigbee battery devices that may not have consistent connection to your hub
Small and Discrete - Plugs directly into an outlet leaving the other outlet port accessible for use
Use with Range Extender 7 - Range Extender Zi is the Zigbee equivalent of our best selling Range Extender 7 for Z-Wave networks. Use them both with compatible hubs for the best network coverage for all your smart devices

Rank No. #16

Minoston Smart Outlet, Z-Wave Plug 700 Plug-in Outlet with Built-in Repeater Range Extender, Z-Wave Hub Required, Zwave Outlet Compatible with Alexa and Google Assistant (MP31Z)

[Z-Wave 700 Series Chip] This Z Wave plug has a built-in z-wave 700 chip. The device installation easier and more secure with Samrtstart and S2 security. The connection is more stable and more secure. Not easily hacked. The zwave plug is ETL and FCC listed (Frequency: 908.42MHz).
[Z-Wave Hub Compatibility] Zwave Smart Plug requires a sold-separately z-wave hub. This Z-Wave plug works with SmartThings, Vera, Wink, Fibaro, Homeseer and Hubitat, etc. It can't be directly connected to Echo Plus.
[Timer Schedule] Plan the device to turn on or off at specific times of the day to save electricity consumption. Set up bespoke scenarios with other devices to enhance intelligent living.
[Remote and Voice Control] This Z-Wave outlet smart plug is compatible with both Alexa and Google Assistant (needs a compatible Z-Wave hub). Control this zwave outlets with voice commands. Remote control it by your z-wave hub. Turning ordinary appliances into smart ones with z wave plug.
[Timer Schedule] Plan the device to turn on or off at specific times of the day to save electricity consumption. Set up bespoke scenarios with other devices to enhance intelligent living.

Rank No. #17

Minoston Zwave Smart Plug, Z-Wave Outdoor Plug with Energy Monitoring, Zwave Outlet Built-in Repeater Range Extender, Z-Wave Hub Required, Alexa and Google Assistant Compatible(MP22ZP)

[Energy Efficient] Z-Wave outdoor plug comes equipped with energy monitoring capability. Monitor use and Save on bills. Enjoy a more efficient home.
[Z-Wave hub required] This Z-Wave outdoor plug requires a Z-Wave certified hub/ gateway. Compatible with SmartThings, Wink, Vera, Fibaro and other Z-Wave certificated hub. REQUIRES AN ALEXA SUPPORTED HUB for voice control with Echo Products. CANNOT connect directly with ECHO PLUS.
[Ideal for Outdoor] Z-Wave plug with IP65 Weather-resistant housing. Ideal for Garden, Backyard, Kitchen, Bathroom, Porch, Balcony, Garage, Basement, Patio or Electric grill, Sprinkler, Washing machine, Christmas tree, landscape lighting, fountains, lamps, pumps, and other outdoor or indoor-use electric appliances, etc--should not be exposed directly to rain or immersed in water.
[Schedule and Timer] You can set automatic daily timers or create on/off routing so that your devices can turn on and off automatically. And saving energy when the plugged-in appliances are not needed or are left on by accident.
[Easy to set up] Pair Z-Wave outlet with your hub and plug in the device you want to remote control. Scan the QR code to add it to your hub. Now you can use your cellphone to turn the device on/off, schedule an event and group the things you want to control together.

Rank No. #18

Ring Alarm Range Extender (2nd Gen)

Expand the reach of your Ring Alarm Base Station to your Ring Alarm components
Easy installation with no tools required
Plugs into standard wall outlets
Requires the Ring Alarm Base Station and only boosts the Ring Alarm system network

Rank No. #19

Aeotec Smart Home Hub, Works as a SmartThings Hub, Z-Wave, Zigbee, Matter Gateway, Compatible with Alexa, Google Assistant, WiFi

Easiest way to make your home a smart home: Wirelessly connect and control a huge range of smart devices - over 5,000 are available from dozens of brands - including voice assistants, lights & switches, speakers, cameras, sensors and more
Automate connected devices: Any device you connect can be included into automations which can be intelligently managed. Now many automations work locally even when internet service is disrupted.
Control via App or Voice: Monitor and control connected devices, and run automations, using the Samsung SmartThings app on Android, iOS, and iPadOS, or voice user interfaces Amazon Alexa and Google Assistant
Requires internet access for set-up: Ethernet connection recommended, but Wi-Fi is also available. Download the SmartThings app to your phone or tablet to setup.
Compatibility: Certified to work with Google, Alexa, SmartThings, Matter, Wi-Fi, Z-Wave Plus, and ZigBee protocols. Not compatible outside of North America.

Rank No. #20

Z-Wave Plug Outlet, Zwave Smart Plug Work with Alexa, Zwave Outlet Socket Built-in Repeater Range Extender, Z-Wave Hub Required (Zwave Smart Plug)

Last update on 2023-08-02 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Z-Wave Extender?

Do you get stressed out thinking about shopping for a great Z-Wave Extender? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Z-Wave Extender, which is why we have assembled a comprehensive list of the greatest Z-Wave Extender available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Z-Wave Extender that you consider buying. Your questions might include the following:

Is it worth buying an Z-Wave Extender?
What benefits are there with buying an Z-Wave Extender?
What factors deserve consideration when shopping for an effective Z-Wave Extender?
Why is it crucial to invest in any Z-Wave Extender, much less the best one?
Which Z-Wave Extender are good in the current market?
Where can you find information like this about Z-Wave Extender?

We’re convinced that you likely have far more questions than just these regarding Z-Wave Extender, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Z-Wave Extender, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Z-Wave Extender. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Z-Wave Extender buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Z-Wave Extender currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Z-Wave Extender has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Z-Wave Extender?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Z-Wave Extender.
Customer Ratings: Number ratings grade Z-Wave Extender objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Z-Wave Extender.
Product Quality: You don’t always get what you pay for with an Z-Wave Extender, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Z-Wave Extender is should be an indication of how long it will work out for you.

We always remember that maintaining Z-Wave Extender information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Z-Wave Extender is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

FAQ:

Q: What is the best Z Wave controller?

A: Samsung SmartThings (v2) seems to be the best hardware controller for Z-Wave followed by Vera. Amazon Echo, Google Home, IFTTT etc supports SmartThings straight which is a plus.

Q: What are Z Wave products?

A: Z-Wave® is a mesh networking technology developed in 1999 to create a standard for wireless radio frequency (RF) communication for home devices. The key to the technology is that Z-Wave products are designed using a family of low-cost, low-power RF transceiver chips embedded with Z-Wave.

Q: What are Z Wave devices?

A: Z-Wave is a mesh network that uses low-energy radio waves to communicate from device to device, enabling wireless control of residential appliances and other devices, like smart light bulbs, smart door locks, and more.

Q: How does Z Wave work?

A: How Z-wave works. Z-wave technology creates a wireless mesh network, which is a collection of devices that link up and communicate with each other without wires. With Z-wave technology, devices “mesh” together by sending signals over low-energy radio waves on a dedicated frequency.