Hi there,
For the EOL, it depends on the sales as well as the component supply. thanks for understanding.
For the backup solution, you can consider below options. thanks.
<LINK_TEXT text=“https://www.seeedstudio.com/Grove-315MH … -1061.html”>https://www.seeedstudio.com/Grove-315MHz-Simple-RF-Link-Kit-p-1061.html</LINK_TEXT>
<LINK_TEXT text=“https://www.seeedstudio.com/315Mhz-RF-l … -p-76.html”>https://www.seeedstudio.com/315Mhz-RF-link-kit-p-76.html</LINK_TEXT>
<LINK_TEXT text=“https://www.seeedstudio.com/433Mhz-RF-l … p-127.html”>https://www.seeedstudio.com/433Mhz-RF-link-kit-p-127.html</LINK_TEXT>