diff --git a/esphome/components/rdm6300/rdm6300.cpp b/esphome/components/rdm6300/rdm6300.cpp
index f9b6126c4b..04065982f6 100644
--- a/esphome/components/rdm6300/rdm6300.cpp
+++ b/esphome/components/rdm6300/rdm6300.cpp
@@ -34,6 +34,8 @@ void rdm6300::RDM6300Component::loop() {
         this->buffer_[this->read_state_ / 2] += value;
       }
       this->read_state_++;
+    } else if (data == 0x0D || data == 0x0A) {
+      // Skip CR/LF bytes (ID-20LA compatibility)
     } else if (data != RDM6300_END_BYTE) {
       ESP_LOGW(TAG, "Invalid end byte from RDM6300!");
       this->read_state_ = RDM6300_STATE_WAITING_FOR_START;