Key differences between Lutron RadioRA 2 Select and RadioRA 3

Apr 16, 2025

The  differences between RA 2 Select and RadioRA 3 are listed below

RadioRA 2 Select and RadioRA 3 are both Lutron lighting control systems, RA 2 Select is ideal for homeowners who want full control of their system from installation to programming, Select uses a 400 MHz hub-spoke topology. RA2 Select uses the free mobile app from the app store for programming, It is DIY friendly and a very affordable system.

RadioRA 3 is the most recent Lutron system, offering features not found in RA2 Select. RA3 utilizes a 2.4 GHz mesh topology. RA3 also has broader integration possibilities with third-party devices, including security systems and AV setups. RA3 requires a PC software program and  in most cases the services of a programmer.

Here's a more detailed comparison:

RadioRA 2 Select:

Networking:      Uses a 400 MHz hub-spoke topology.
Programming: Uses a mobile app for setup and programming.
Keypads:              Limited to Pico keypads for scene control.                            Dimmers:             Traditional Maestro style dimmers & switches  Integration:       Limited integration with other systems.
 System Size:    95 devices, 1 main repeater  and up to 4 aux repeaters            Home Size:         Typical system size would be for homes 1000-2500 sq ft

RadioRA 3:

Networking:      Uses a 2.4 GHz mesh topology, offering more robust                                                    communication.  
Programming: Requires a PC software program for setup                        Keypads:             Offers Sunnata keypads with a light bar design and a                                                  range of colors, in addition to Maestro and seeTouch.   Dimmers:            uses both traditional Maestro style and new Sunnata
Integration:       Offers broader integration with third-party devices                                                      through the Lutron LEAP API and Connect Bridge.  
Hardware:           Uses Sunnata dimmers and switches with a light bar                                                   design, along with Maestro and seeTouch.  
Compatibility: Can incorporate existing RA2 and RA2 Select devices.  System size:     The system can grow to 192 devices with 8 processors           Home Size:       System size with 1 Processor is 2500 sq ft however by                                                adding additional processors  home sze 10,000 sq ft

Please call or text me  to discuss your lighting project at 818-970-1702