Adafruit
Keyfob 2-Button RF Remote Control - 315MHz
A compact 2-button keyfob RF transmitter operating at 315MHz. Each button sends a distinct command, corresponding to two of the four outputs on compatible 31...
A compact 2-button keyfob RF transmitter operating at 315MHz. Each button sends a distinct command, corresponding to two of the four outputs on compatible 315MHz RF receiver modules. Effective range is up to approximately 7.5 metres (25 feet) depending on line of sight and obstructions.
Since this is a transmitter only, it will activate all compatible receivers within range simultaneously — there is no sub-addressing for individual receiver control.
Key Features
- 2-Button Operation – Two distinct commands for on/off or dual-channel control
- 315MHz Frequency – Compatible with standard 315MHz RF receiver modules
- Compact Keyfob Design – Small, lightweight, and portable
- Up to 7.5m Range – Depending on line of sight and obstructions
Specifications
- Frequency: 315MHz
- Buttons: 2
- Type: RF transmitter (keyfob)
- Range: ~7.5m (25 feet)
Ideal For
- Wireless control of RF relay modules
- Home automation triggers
- Remote on/off switching projects
Package Contents
- 1× 2-Button Keyfob RF Remote Control (315MHz)
Jargon buster
Plain-language definitions for the technical terms used above.
- RF
- RF means radio frequency, referring to signals used for wireless communication and other high-frequency electronics. A low-noise, stable power supply is important for RF circuits because power noise can affect signal quality and measurements.
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