diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8887fc7da..2e922efd2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,7 @@ include(${CMAKE_CURRENT_LIST_DIR}/cmake/PreventInSourceBuilds.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/cmake/GetLibInfo.cmake)
 
 # allow CMake CLI options to configure RF24_config.h macros
-option(SERIAL_DEBUG "enable/disable debugging output" OFF)
+option(RF24_DEBUG "enable/disable debugging output" OFF)
 option(MINIMAL "exclude optional source code to keep compile size compact" OFF)
 
 # Link this 'library' to set the c++ standard / compile-time options requested
@@ -115,9 +115,9 @@ else() # utility driver is compiled with the library - not linking to a pre-comp
 endif()
 
 # assert the appropriate preprocessor macros for RF24_config.h
-if(SERIAL_DEBUG)
-    message(STATUS "SERIAL_DEBUG asserted")
-    target_compile_definitions(${LibTargetName} PUBLIC SERIAL_DEBUG)
+if(RF24_DEBUG)
+    message(STATUS "RF24_DEBUG asserted")
+    target_compile_definitions(${LibTargetName} PUBLIC RF24_DEBUG)
 endif()
 if(MINIMAL)
     message(STATUS "MINIMAL asserted")
diff --git a/RF24.cpp b/RF24.cpp
index 2e500b695..bf2b64360 100644
--- a/RF24.cpp
+++ b/RF24.cpp
@@ -286,7 +286,7 @@ void RF24::write_register(uint8_t reg, uint8_t value, bool is_cmd_only)
 {
     if (is_cmd_only) {
         if (reg != RF24_NOP) { // don't print the get_status() operation
-            IF_SERIAL_DEBUG(printf_P(PSTR("write_register(%02x)\r\n"), reg));
+            IF_RF24_DEBUG(printf_P(PSTR("write_register(%02x)\r\n"), reg));
         }
         beginTransaction();
 #if defined(RF24_LINUX)
@@ -301,7 +301,7 @@ void RF24::write_register(uint8_t reg, uint8_t value, bool is_cmd_only)
         endTransaction();
     }
     else {
-        IF_SERIAL_DEBUG(printf_P(PSTR("write_register(%02x,%02x)\r\n"), reg, value));
+        IF_RF24_DEBUG(printf_P(PSTR("write_register(%02x,%02x)\r\n"), reg, value));
 #if defined(RF24_LINUX) || defined(RF24_RP2)
         beginTransaction();
         uint8_t* prx = spi_rxbuff;
@@ -348,7 +348,7 @@ void RF24::write_payload(const void* buf, uint8_t data_len, const uint8_t writeT
     }
 
     //printf("[Writing %u bytes %u blanks]",data_len,blank_len);
-    IF_SERIAL_DEBUG(printf("[Writing %u bytes %u blanks]\n", data_len, blank_len););
+    IF_RF24_DEBUG(printf("[Writing %u bytes %u blanks]\n", data_len, blank_len););
 
 #if defined(RF24_LINUX) || defined(RF24_RP2)
     beginTransaction();
@@ -420,7 +420,7 @@ void RF24::read_payload(void* buf, uint8_t data_len)
 
     //printf("[Reading %u bytes %u blanks]",data_len,blank_len);
 
-    IF_SERIAL_DEBUG(printf("[Reading %u bytes %u blanks]\n", data_len, blank_len););
+    IF_RF24_DEBUG(printf("[Reading %u bytes %u blanks]\n", data_len, blank_len););
 
 #if defined(RF24_LINUX) || defined(RF24_RP2)
     beginTransaction();
@@ -1229,7 +1229,7 @@ void RF24::powerUp(void)
 
 void RF24::errNotify()
 {
-    #if defined(SERIAL_DEBUG) || defined(RF24_LINUX)
+    #if defined(RF24_DEBUG) || defined(RF24_LINUX)
     printf_P(PSTR("RF24 HARDWARE FAIL: Radio not responding, verify pin connections, wiring, etc.\r\n"));
     #endif
     #if defined(FAILURE_HANDLING)
@@ -1690,7 +1690,7 @@ void RF24::enableDynamicPayloads(void)
     //toggle_features();
     write_register(FEATURE, read_register(FEATURE) | _BV(EN_DPL));
 
-    IF_SERIAL_DEBUG(printf("FEATURE=%i\r\n", read_register(FEATURE)));
+    IF_RF24_DEBUG(printf("FEATURE=%i\r\n", read_register(FEATURE)));
 
     // Enable dynamic payload on all pipes
     //
@@ -1710,7 +1710,7 @@ void RF24::disableDynamicPayloads(void)
     //toggle_features();
     write_register(FEATURE, 0);
 
-    IF_SERIAL_DEBUG(printf("FEATURE=%i\r\n", read_register(FEATURE)));
+    IF_RF24_DEBUG(printf("FEATURE=%i\r\n", read_register(FEATURE)));
 
     // Disable dynamic payload on all pipes
     //
@@ -1731,7 +1731,7 @@ void RF24::enableAckPayload(void)
     if (!ack_payloads_enabled) {
         write_register(FEATURE, read_register(FEATURE) | _BV(EN_ACK_PAY) | _BV(EN_DPL));
 
-        IF_SERIAL_DEBUG(printf("FEATURE=%i\r\n", read_register(FEATURE)));
+        IF_RF24_DEBUG(printf("FEATURE=%i\r\n", read_register(FEATURE)));
 
         // Enable dynamic payload on pipes 0 & 1
         write_register(DYNPD, read_register(DYNPD) | _BV(DPL_P1) | _BV(DPL_P0));
@@ -1748,7 +1748,7 @@ void RF24::disableAckPayload(void)
     if (ack_payloads_enabled) {
         write_register(FEATURE, static_cast<uint8_t>(read_register(FEATURE) & ~_BV(EN_ACK_PAY)));
 
-        IF_SERIAL_DEBUG(printf("FEATURE=%i\r\n", read_register(FEATURE)));
+        IF_RF24_DEBUG(printf("FEATURE=%i\r\n", read_register(FEATURE)));
 
         ack_payloads_enabled = false;
     }
@@ -1764,7 +1764,7 @@ void RF24::enableDynamicAck(void)
     //toggle_features();
     write_register(FEATURE, read_register(FEATURE) | _BV(EN_DYN_ACK));
 
-    IF_SERIAL_DEBUG(printf("FEATURE=%i\r\n", read_register(FEATURE)));
+    IF_RF24_DEBUG(printf("FEATURE=%i\r\n", read_register(FEATURE)));
 }
 
 /****************************************************************************/
@@ -1989,7 +1989,7 @@ void RF24::startConstCarrier(rf24_pa_dbm_e level, uint8_t channel)
     }
     setPALevel(level);
     setChannel(channel);
-    IF_SERIAL_DEBUG(printf_P(PSTR("RF_SETUP=%02x\r\n"), read_register(RF_SETUP)));
+    IF_RF24_DEBUG(printf_P(PSTR("RF_SETUP=%02x\r\n"), read_register(RF_SETUP)));
     ce(HIGH);
     if (isPVariant()) {
         delay(1); // datasheet says 1 ms is ok in this instance
diff --git a/RF24_config.h b/RF24_config.h
index 2c836cabc..7ed2aea95 100644
--- a/RF24_config.h
+++ b/RF24_config.h
@@ -21,7 +21,7 @@
 
 /*** USER DEFINES:    ***/
 #define FAILURE_HANDLING
-//#define SERIAL_DEBUG
+//#define RF24_DEBUG
 //#define MINIMAL
 //#define SPI_UART    // Requires library from https://github.com/TMRh20/Sketches/tree/master/SPI_UART
 //#define SOFTSPI     // Requires library from https://github.com/greiman/DigitalIO
@@ -158,15 +158,15 @@ extern HardwareSPI SPI;
         #endif
     #endif // defined (ARDUINO) && !defined (__arm__) && !defined (__ARDUINO_X86__)
 
-    #ifdef SERIAL_DEBUG
-        #define IF_SERIAL_DEBUG(x) ({ x; })
+    #ifdef RF24_DEBUG
+        #define IF_RF24_DEBUG(x) ({ x; })
     #else
-        #define IF_SERIAL_DEBUG(x)
+        #define IF_RF24_DEBUG(x)
         #if defined(RF24_TINY)
             #define printf_P(...)
         #endif // defined(RF24_TINY)
 
-    #endif // SERIAL_DEBUG
+    #endif // RF24_DEBUG
 
     #if defined(__ARDUINO_X86__)
         #define printf_P printf
diff --git a/utility/ATTiny/RF24_arch_config.h b/utility/ATTiny/RF24_arch_config.h
index 2fb8b1e94..40e53993e 100644
--- a/utility/ATTiny/RF24_arch_config.h
+++ b/utility/ATTiny/RF24_arch_config.h
@@ -36,15 +36,15 @@ typedef uint8_t rf24_gpio_pin_t;
     #define RF24_CSN_SETTLE_HIGH_DELAY 100
 #endif
 
-#ifdef SERIAL_DEBUG
-    #define IF_SERIAL_DEBUG(x) ({ x; })
+#ifdef RF24_DEBUG
+    #define IF_RF24_DEBUG(x) ({ x; })
 #else
-    #define IF_SERIAL_DEBUG(x)
+    #define IF_RF24_DEBUG(x)
 
     #if defined(RF24_TINY)
         #define printf_P(...)
     #endif
-#endif // !defined(SERIAL_DEBUG)
+#endif // !defined(RF24_DEBUG)
 
 #include <avr/pgmspace.h>
 
diff --git a/utility/ATXMegaD3/RF24_arch_config.h b/utility/ATXMegaD3/RF24_arch_config.h
index 53efac996..96df91740 100644
--- a/utility/ATXMegaD3/RF24_arch_config.h
+++ b/utility/ATXMegaD3/RF24_arch_config.h
@@ -30,11 +30,10 @@
 #define _SPI SPI
 #define RF24_SPI_PTR
 
-#undef SERIAL_DEBUG
-#ifdef SERIAL_DEBUG
-    #define IF_SERIAL_DEBUG(x) ({ x; })
+#ifdef RF24_DEBUG
+    #define IF_RF24_DEBUG(x) ({ x; })
 #else
-    #define IF_SERIAL_DEBUG(x)
+    #define IF_RF24_DEBUG(x)
 #endif
 
 // Use the avr pgmspace commands
diff --git a/utility/LittleWire/RF24_arch_config.h b/utility/LittleWire/RF24_arch_config.h
index 1dfd55081..390ca0689 100644
--- a/utility/LittleWire/RF24_arch_config.h
+++ b/utility/LittleWire/RF24_arch_config.h
@@ -30,10 +30,10 @@ typedef uint8_t rf24_gpio_pin_t;
 #define PROGMEM
 #define PRIPSTR "%s"
 
-#ifdef SERIAL_DEBUG
-    #define IF_SERIAL_DEBUG(x) ({ x; })
+#ifdef RF24_DEBUG
+    #define IF_RF24_DEBUG(x) ({ x; })
 #else
-    #define IF_SERIAL_DEBUG(x)
+    #define IF_RF24_DEBUG(x)
     #if defined(RF24_TINY)
         #define printf_P(...)
     #endif
diff --git a/utility/MRAA/RF24_arch_config.h b/utility/MRAA/RF24_arch_config.h
index 99e80bfa4..a286a4dfa 100644
--- a/utility/MRAA/RF24_arch_config.h
+++ b/utility/MRAA/RF24_arch_config.h
@@ -30,10 +30,10 @@
 #define PROGMEM
 #define PRIPSTR "%s"
 
-#ifdef SERIAL_DEBUG
-    #define IF_SERIAL_DEBUG(x) ({ x; })
+#ifdef RF24_DEBUG
+    #define IF_RF24_DEBUG(x) ({ x; })
 #else
-    #define IF_SERIAL_DEBUG(x)
+    #define IF_RF24_DEBUG(x)
 #endif
 
 #define digitalWrite(pin, value) GPIO::write(pin, value)
diff --git a/utility/RPi/RF24_arch_config.h b/utility/RPi/RF24_arch_config.h
index bb74c600a..2162ba972 100644
--- a/utility/RPi/RF24_arch_config.h
+++ b/utility/RPi/RF24_arch_config.h
@@ -41,10 +41,10 @@ typedef uint8_t rf24_gpio_pin_t;
 #define PROGMEM
 #define PRIPSTR "%s"
 
-#ifdef SERIAL_DEBUG
-    #define IF_SERIAL_DEBUG(x) ({ x; })
+#ifdef RF24_DEBUG
+    #define IF_RF24_DEBUG(x) ({ x; })
 #else
-    #define IF_SERIAL_DEBUG(x)
+    #define IF_RF24_DEBUG(x)
 #endif
 
 #define digitalWrite(pin, value) bcm2835_gpio_write(pin, value)
diff --git a/utility/SPIDEV/RF24_arch_config.h b/utility/SPIDEV/RF24_arch_config.h
index 33280d4e7..05fa53bf4 100644
--- a/utility/SPIDEV/RF24_arch_config.h
+++ b/utility/SPIDEV/RF24_arch_config.h
@@ -24,11 +24,10 @@
 #define _BV(x) (1 << (x))
 #define _SPI   spi
 
-//#undef SERIAL_DEBUG
-#ifdef SERIAL_DEBUG
-    #define IF_SERIAL_DEBUG(x) ({ x; })
+#ifdef RF24_DEBUG
+    #define IF_RF24_DEBUG(x) ({ x; })
 #else
-    #define IF_SERIAL_DEBUG(x)
+    #define IF_RF24_DEBUG(x)
 #endif
 
 // Avoid spurious warnings
diff --git a/utility/Teensy/RF24_arch_config.h b/utility/Teensy/RF24_arch_config.h
index bf0ea7eea..6e4a836f2 100644
--- a/utility/Teensy/RF24_arch_config.h
+++ b/utility/Teensy/RF24_arch_config.h
@@ -23,10 +23,10 @@ typedef uint8_t rf24_gpio_pin_t;
 
 #define printf Serial.printf
 
-#ifdef SERIAL_DEBUG
-    #define IF_SERIAL_DEBUG(x) ({ x; })
+#ifdef RF24_DEBUG
+    #define IF_RF24_DEBUG(x) ({ x; })
 #else
-    #define IF_SERIAL_DEBUG(x)
+    #define IF_RF24_DEBUG(x)
 #endif
 
 #define PRIPSTR "%s"
diff --git a/utility/Template/RF24_arch_config.h b/utility/Template/RF24_arch_config.h
index d6c7ff6a5..3fb986b3e 100644
--- a/utility/Template/RF24_arch_config.h
+++ b/utility/Template/RF24_arch_config.h
@@ -36,11 +36,10 @@
 #define _BV(x) (1 << (x))
 #define _SPI   spi
 
-#undef SERIAL_DEBUG
-#ifdef SERIAL_DEBUG
-    #define IF_SERIAL_DEBUG(x) ({ x; })
+#ifdef RF24_DEBUG
+    #define IF_RF24_DEBUG(x) ({ x; })
 #else
-    #define IF_SERIAL_DEBUG(x)
+    #define IF_RF24_DEBUG(x)
 #endif
 
 // Avoid spurious warnings
diff --git a/utility/pigpio/RF24_arch_config.h b/utility/pigpio/RF24_arch_config.h
index c310034a3..81a4788d2 100644
--- a/utility/pigpio/RF24_arch_config.h
+++ b/utility/pigpio/RF24_arch_config.h
@@ -23,11 +23,10 @@
 #define _BV(x) (1 << (x))
 #define _SPI   spi
 
-//#undef SERIAL_DEBUG
-#ifdef SERIAL_DEBUG
-    #define IF_SERIAL_DEBUG(x) ({ x; })
+#ifdef RF24_DEBUG
+    #define IF_RF24_DEBUG(x) ({ x; })
 #else
-    #define IF_SERIAL_DEBUG(x)
+    #define IF_RF24_DEBUG(x)
 #endif
 
 // Avoid spurious warnings
diff --git a/utility/rp2/RF24_arch_config.h b/utility/rp2/RF24_arch_config.h
index c61467d0c..c5e0b7c3d 100644
--- a/utility/rp2/RF24_arch_config.h
+++ b/utility/rp2/RF24_arch_config.h
@@ -28,10 +28,10 @@
 #define _SPI   SPI
 #define RF24_SPI_PTR
 
-#ifdef SERIAL_DEBUG
-    #define IF_SERIAL_DEBUG(x) ({ x; })
+#ifdef RF24_DEBUG
+    #define IF_RF24_DEBUG(x) ({ x; })
 #else
-    #define IF_SERIAL_DEBUG(x)
+    #define IF_RF24_DEBUG(x)
 #endif
 
 typedef uint16_t prog_uint16_t;
diff --git a/utility/wiringPi/RF24_arch_config.h b/utility/wiringPi/RF24_arch_config.h
index b23aad2d6..cdd15fd76 100644
--- a/utility/wiringPi/RF24_arch_config.h
+++ b/utility/wiringPi/RF24_arch_config.h
@@ -20,11 +20,10 @@
 #define _BV(x) (1 << (x))
 #define _SPI   spi
 
-#undef SERIAL_DEBUG
-#ifdef SERIAL_DEBUG
-    #define IF_SERIAL_DEBUG(x) ({ x; })
+#ifdef RF24_DEBUG
+    #define IF_RF24_DEBUG(x) ({ x; })
 #else
-    #define IF_SERIAL_DEBUG(x)
+    #define IF_RF24_DEBUG(x)
 #endif
 
 // Avoid spurious warnings