diff --git a/src/modules/SX126x/SX126x.cpp b/src/modules/SX126x/SX126x.cpp
index 32c928c3..4b285fae 100644
--- a/src/modules/SX126x/SX126x.cpp
+++ b/src/modules/SX126x/SX126x.cpp
@@ -1170,8 +1170,8 @@ uint32_t SX126x::getTimeOnAir(size_t len) {
   }
 }
 
-int16_t implicitHeader() {
-    return setHeaderType(SX126X_LORA_HEADER_IMPLICIT);
+int16_t implicitHeader(size_t len) {
+    return setHeaderType(SX126X_LORA_HEADER_IMPLICIT, len);
 }
 
 int16_t explicitHeader() {
@@ -1354,9 +1354,9 @@ int16_t SX126x::setPacketMode(uint8_t mode, uint8_t len) {
   return(state);
 }
 
-int16_t SX126x::setHeaderType(uint8_t headerType) {
+int16_t SX126x::setHeaderType(uint8_t headerType, size_t len) {
   // set requested packet mode
-  int16_t state = setPacketParams(_preambleLength, _crcType, 0xFF, headerType);
+  int16_t state = setPacketParams(_preambleLength, _crcType, len, headerType);
 
   if(state != ERR_NONE) {
     return(state);
diff --git a/src/modules/SX126x/SX126x.h b/src/modules/SX126x/SX126x.h
index 9d771e42..a02a2104 100644
--- a/src/modules/SX126x/SX126x.h
+++ b/src/modules/SX126x/SX126x.h
@@ -795,11 +795,13 @@ class SX126x: public PhysicalLayer {
 
      \returns \ref status_codes
    */
-   int16_t implicitHeader();
+   int16_t implicitHeader(size_t len);
 
     /*!
      \brief Set explicit header mode for future reception/transmission.
 
+     \param len Payload length in bytes. **WILL BE GLOBALLY OVERRIDDEN BY transmit()**
+
      \returns \ref status_codes
    */
    int16_t explicitHeader();
@@ -836,7 +838,7 @@ class SX126x: public PhysicalLayer {
     int16_t setFrequencyRaw(float freq);
     int16_t setOptimalHiPowerPaConfig(int8_t* inOutPower);
     int16_t setPacketMode(uint8_t mode, uint8_t len);
-    int16_t setHeaderType(uint8_t headerType)
+    int16_t setHeaderType(uint8_t headerType, size_t len = 0xFF)
 
     // fixes to errata
     int16_t fixSensitivity();