No able to install in M5 stack with SYN115

[dressie]

When I try to install rf-proxies on the M5-stack with the SYN115 transmitter I get the following error:

INFO ESPHome 2026.4.5
INFO Reading configuration /config/esphome/esphome-web-2deea4.yaml...
INFO Unable to import component radio_frequency: No module named 'esphome.components.radio_frequency'
Failed config

radio_frequency: [source /config/esphome/esphome-web-2deea4.yaml:42]

Component not found: radio_frequency.

• platform: ir_rf_proxy
  name: RF Proxy Transmitter
  id: rf_proxy_tx
  remote_transmitter_id: rf_tx
  frequency: 433.92MHz