Shelly Plus Uni Bluetooth Wi-Fi vs Shelly BLU RC 4-Button Bluetooth: Spec Comparison
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When comparing shelly plus uni smart wi fi vs blu rc button 4, you are looking at two very different Shelly devices. Both support Bluetooth for local control and work with the Shelly Smart Control app. The main difference lies in their function and connectivity. The Plus Uni is a wired module for low-voltage systems with Wi-Fi. The BLU RC is a battery-powered remote with Zigbee support. You will choose based on whether you need to control appliances or send commands.
Key differences
| Aspect | Shelly Plus Uni Bluetooth and Wi-Fi Module | Shelly BLU RC 4-Button Bluetooth and Zigbee Remote |
|---|---|---|
| Connectivity | Wi-Fi, Bluetooth | Bluetooth, Zigbee |
| Power Source | 8-24 VAC, 9-28 VDC, 5 VDC | Battery |
| Form Factor | Wired module (1.65 x 1.46 x 0.63 inches) | 4-Button remote with magnetic holder |
| Smart Home Compatibility | Alexa, Google Home, Home Assistant | Requires gateway for app control |
| Warranty | 3-year | 2-year |
Which one should you choose?
Choose Shelly Plus Uni Bluetooth and Wi-Fi Module if
- You need to control low-voltage AC or DC devices like gates or alarms.
- You want direct Wi-Fi connectivity without a separate hub.
- You require integration with Alexa or Google Home for voice commands.
Choose Shelly BLU RC 4-Button Bluetooth and Zigbee Remote if
- You want a portable remote to trigger scenes or control blinds.
- You prefer battery-powered placement without wiring constraints.
- You already use a Zigbee gateway for your smart home network.
Verdict: The Shelly Plus Uni suits you if you are automating fixed low-voltage infrastructure like garage doors or intercoms. The Shelly BLU RC Button 4 is better for you if you need a portable, battery-operated remote for triggering scenes or controlling motorized shades.
Shelly Plus Uni vs BLU RC Button 4
Connectivity options
Shelly Plus Uni Bluetooth and Wi-Fi Module offers both Wi-Fi and Bluetooth connectivity. This allows direct connection to your home network without needing a separate hub. Shelly BLU RC 4-Button Bluetooth and Zigbee Remote uses Bluetooth and Zigbee. It requires a gateway, such as a Shelly Plus device, to connect to your smart home app. The Plus Uni connects directly, while the BLU RC relies on an intermediate device for full functionality.
Power source
Shelly Plus Uni Bluetooth and Wi-Fi Module runs on low-voltage power. It accepts 8-24 VAC, 9-28 VDC, or 5 VDC. This means it needs a constant power supply from your electrical system. Shelly BLU RC 4-Button Bluetooth and Zigbee Remote is battery-powered. It uses a long-life battery for portable operation. This makes the remote easy to place anywhere without wiring, while the Plus Uni requires a fixed power source.
Device type
Shelly Plus Uni Bluetooth and Wi-Fi Module is a smart module designed for low-voltage systems. It replaces traditional buttons to control intercoms, alarms, gates, or garage doors. It provides dry contact outputs. Shelly BLU RC 4-Button Bluetooth and Zigbee Remote is a handheld remote controller. It features four customizable buttons for triggering scenes or controlling blinds. It includes a magnetic holder for versatile placement. One is an installation module; the other is a portable input device.
Smart home platforms
Shelly Plus Uni Bluetooth and Wi-Fi Module works with Alexa, Google Home, and Home Assistant. You can control it via voice commands or third-party platforms. Shelly BLU RC 4-Button Bluetooth and Zigbee Remote requires the Shelly Smart Control app. It needs a compatible gateway like Shelly Plus, Pro, Gen3, or Gen4 to function. It does not list direct compatibility with Alexa or Google Home in its specifications. The Plus Uni offers broader platform support.
Dimensions
Shelly Plus Uni Bluetooth and Wi-Fi Module has specific physical dimensions. It measures 1.46 inches in length, 1.65 inches in width, and 0.63 inches in height. Shelly BLU RC 4-Button Bluetooth and Zigbee Remote dimensions are not listed in the provided data. The Plus Uni is a compact module designed for installation in electrical boxes. The remote is designed for handheld use with a magnetic back, though its exact size is unknown.
Which shelly device fits your setup
You need direct Wi-Fi control
The Shelly Plus Uni connects directly via Wi-Fi and Bluetooth. This means you control it without a separate hub. It handles low-voltage AC and DC power. You can use it as a gateway or range extender. The compact size fits in tight spaces. This direct connection simplifies your network setup for reliable remote access.
You want a wireless remote
The Shelly BLU RC 4-Button is a portable remote with four customizable buttons. It runs on battery power and uses Bluetooth and Zigbee. You place it anywhere with the magnetic holder. It triggers scenes or controls devices like blinds. This device requires a gateway for app control but offers flexible placement away from outlets.
You automate low-voltage appliances
The Shelly Plus Uni replaces traditional buttons in low-voltage systems. It supports 8-24 VAC and 9-28 VDC inputs. You can add smart control to intercoms or alarms. It provides real-time status updates via a reed switch. This module brings old appliances into your smart home ecosystem without replacing the hardware.
You prefer battery operation
The Shelly BLU RC 4-Button uses battery power for long life. You do not need to wire it into a power source. It supports single, double, triple, and long press actions. This flexibility allows complex scene triggering from a small device. The magnetic design lets you move it easily between locations for different tasks.
The products compared
Shelly Plus Uni Bluetooth and Wi-Fi Module
Best for: automating low-voltage intercoms and alarms
- Connectivity
- Wi-Fi, Bluetooth
- Smart Home Compatibility
- Alexa, Google Home, Home Assistant
- Power Source
- 8-24 VAC, 9-28 VDC, 5 VDC
- Hub Requirement
- No Hub Required
- Dimensions
- 1.46 × 1.65 × 0.63 inches
View on Amazon: Shelly Plus Uni Bluetooth and Wi-Fi Module Affiliate link
The Shelly Plus Uni is a compact smart module for low-voltage systems. It connects via Wi-Fi and Bluetooth. It supports 8-24 VAC, 9-28 VDC, and 5 VDC power. The device replaces traditional buttons for intercoms or alarms. It also acts as a Wi-Fi range extender and Bluetooth gateway. You can control it with the Shelly app or voice assistants like Alexa and Google Home.
Pros
- Dual Wi-Fi and Bluetooth connectivity
- Supports 8-24 VAC and 9-28 VDC power
- Functions as a Wi-Fi range extender
- Compatible with Alexa, Google Home, and Home Assistant
Cons
- Requires low-voltage power source
- No Zigbee support
- Compact size may limit heat dissipation
Good fit if
- You need to automate low-voltage intercoms or alarms
- You want to extend your Wi-Fi range
- You use Home Assistant or Alexa
Skip if
- You require high-voltage AC control
- You need Zigbee connectivity
- You prefer a standalone remote control
Verdict: Shelly Plus Uni Wi-Fi Bluetooth Module is ideal for automating low-voltage devices like intercoms while extending your network. It suits users who need versatile connectivity for smart home integration.
Shelly BLU RC 4-Button Bluetooth and Zigbee Remote
Best for: handheld multi-button Zigbee and Bluetooth scene control
- Connectivity
- Bluetooth, Zigbee
- Power Source
- Battery
- Application
- Lights
View on Amazon: Shelly BLU RC 4-Button Bluetooth and Zigbee Remote Affiliate link
The Shelly BLU RC Button 4 ZB is a battery-powered wireless remote operating over Bluetooth and Zigbee. You get four customizable buttons that support up to 16 distinct actions through single, double, triple, and long presses. It mounts via built-in magnets and includes a holder. It suits you if you need handheld scene and blind control without hardwiring.
Pros
- Dual Bluetooth and Zigbee wireless connectivity
- Supports up to 16 separate actions across four buttons
- Built-in magnets with included magnetic holder
- Two-year manufacturer warranty
Cons
- Requires a compatible gateway or Plus device for app access
- No direct Wi-Fi connectivity
- Runs on battery power rather than permanent wiring
Good fit if
- You want a portable controller for scenes, lights, and blinds
- You have a compatible Shelly gateway or Plus device
- You need multiple press configurations on one controller
Skip if
- You need a wired module for dry contact switching
- You do not have a gateway for app setup
- You require direct Wi-Fi connectivity
Verdict: Shelly BLU RC Button 4 ZB Remote fits users who want multi-action scene triggering from a magnetic handheld unit rather than an embedded relay. It delivers 16 push actions over Bluetooth and Zigbee when connected through a compatible gateway.
Specifications side by side
| Spec | Shelly Plus Uni Bluetooth and Wi-Fi Module | Shelly BLU RC 4-Button Bluetooth and Zigbee Remote |
|---|---|---|
| Connectivity | Wi-Fi, Bluetooth | Bluetooth, Zigbee |
| Smart Home Compatibility | Alexa, Google Home, Home Assistant | not stated |
| Power Source | 8-24 VAC, 9-28 VDC, 5 VDC | Battery |
| Hub Requirement | No Hub Required | not stated |
| Application | not stated | Lights |
| Dimensions | 1.46 × 1.65 × 0.63 inches | not stated |
| Color | white | not stated |
| Model | 3800235265710 | 3800238072544 |
Frequently asked questions
Does the Shelly Plus Uni work without a hub?
Yes, it connects directly to your Wi-Fi network. You do not need a separate gateway for basic operation. The device supports Bluetooth for local control as well. This setup allows you to automate low-voltage intercoms and alarms directly. It extends your network while providing versatile connectivity for smart home integration.
What is the Shelly BLU RC best for?
It is best for controlling blinds and scenes via a gateway. This remote is battery-powered and designed for users with existing Shelly gateways. It supports multi-press automation for different commands. You can use magnetic mounting for easy installation. It works with Bluetooth and Zigbee protocols for reliable signal transmission.
Can I control the Shelly Plus Uni with the app?
Yes, you can control it using the Shelly Smart Control app. The device supports Bluetooth for local access. It also connects via Wi-Fi for remote control. This dual connectivity ensures you can manage your low-voltage devices effectively. The app provides a straightforward interface for setting up automations and monitoring status.
What are the dimensions of the Shelly Plus Uni?
The Shelly Plus Uni measures 1.65 inches in width. It is 0.63 inches in height and 1.46 inches in length. The device comes in a white color. These compact dimensions make it easy to install in tight spaces. The small footprint allows for discreet placement behind intercoms or alarm panels.
Does the BLU RC remote require batteries?
Yes, the Shelly BLU RC is a battery-powered controller. You need to replace the batteries periodically to maintain operation. The remote uses Bluetooth and Zigbee to communicate with your gateway. This wireless design allows for flexible placement using magnetic mounting. It is ideal for scene control and blind automation without wiring.
Which device is better for intercom automation?
The Shelly Plus Uni is better for intercom automation. It is specifically designed for automating low-voltage intercoms and alarms. The device handles low-voltage AC and DC power directly. It connects via Wi-Fi and Bluetooth for reliable control. The BLU RC remote is a controller, not a power switch, so it cannot automate intercoms directly.