Codec-Adaptive Wireless Relay


A wireless relay is a codec-adaptive RF receiver with single channel relay. It helps easily deployment of wireless AC control for electrical appliances.

  • Max 30 difference codec, unlimited controller or transmitter of each codec

  • Adaption of most popular RF remote controller, except rolling code

Application Ideas

  • Lighting

  • Electrical door, window

  • Security

  • Industrial control

  • Home automation


  • Voltage:DC12V

  • Working current: 6mA

  • Working temperature: -30℃ ~ +70℃

  • Frequency: 315MHz/433MHz

  • Sensitivity: -105dbm

  • Control Circuit: AC/DC

  • Output current: ≤10A

  • Dimension: 503417mm

Pin definition and Rating


  • A. Latch – Connect pin 1.2

  • B. Interlock – Connect pin 2.3

  • C. Non-latch – Empty


Codec Adaption

  1. Power up, press red button until LED lit.

  2. Within 20 seconds, press any button on RF remote or activate transmitter, LED blink then off to notify adaption successful.

Code Clearance

Powerup, press red button for 6 seconds until LED off, codec cleared.


Help us make it better

Welcome to the new documentation system of Seeed Studio. We have made a lot of progress comparing to the old wiki system and will continue to improve it to make it more user friendly and helpful. The improvement can't be done without your kindly feedback. If you have any suggestions or findings, you are most welcome to submit the amended version as our contributor via Github or give us suggestions in the survey below, it would be more appreciated if you could leave your email so that we can reply to you. Happy Hacking!