diff --git a/radio/src/gui/128x64/radio_spectrum.cpp b/radio/src/gui/128x64/radio_spectrum.cpp
index 5a5ad318f..df09b151a 100644
--- a/radio/src/gui/128x64/radio_spectrum.cpp
+++ b/radio/src/gui/128x64/radio_spectrum.cpp
@@ -2,7 +2,7 @@
  * Copyright (C) OpenTX
  *
  * Based on code named
- *   th9x - http://code.google.com/p/th9x 
+ *   th9x - http://code.google.com/p/th9x
  *   er9x - http://code.google.com/p/er9x
  *   gruvin9x - http://code.google.com/p/gruvin9x
  *
@@ -32,8 +32,24 @@ void menuRadioSpectrum(event_t event)
     moduleSettings[INTERNAL_MODULE].mode = MODULE_MODE_SPECTRUM_ANALYSER;
   }
 
+  uint8_t peak=1;
+  uint32_t peak_x=0;
   for (uint8_t i=0; i<LCD_W; i++) {
-    uint8_t h = reusableBuffer.spectrum.bars[i] >> 2;
+    uint8_t h = reusableBuffer.spectrum.bars[i];
+    if(h > peak) {
+      peak_x = i;
+      peak=h;
+    }
     lcdDrawSolidVerticalLine(i, LCD_H - h, h);
   }
+  lcdDrawText(1,10, "F:", 0);
+  lcdDrawNumber(lcdLastRightPos, 10, reusableBuffer.spectrum.fq/10000000,PREC2);
+  lcdDrawText(lcdLastRightPos, 10, "GHz");
+  lcdDrawText(1,10+FH, "S:", 0);
+  lcdDrawNumber(lcdLastRightPos, 10+FH, reusableBuffer.spectrum.span/1000000,0);
+  lcdDrawText(lcdLastRightPos, 10+FH, "MHz");
+
+  lcdDrawText(80,10, "P:", 0);
+  lcdDrawNumber(lcdLastRightPos, 10, ((reusableBuffer.spectrum.fq - reusableBuffer.spectrum.span/2) + peak_x * (reusableBuffer.spectrum.span / 128)) / 10000000,PREC2);
+  lcdDrawText(lcdLastRightPos, 10, "GHz");
 }
diff --git a/radio/src/opentx.h b/radio/src/opentx.h
index 10b9f92f1..4fca02dee 100644
--- a/radio/src/opentx.h
+++ b/radio/src/opentx.h
@@ -1161,6 +1161,9 @@ union ReusableBuffer
   struct
   {
     uint8_t bars[128];
+    uint32_t fq;
+    uint32_t span;
+    uint32_t step;
   } spectrum;
 
 #if defined(STM32)
diff --git a/radio/src/pulses/pxx2.cpp b/radio/src/pulses/pxx2.cpp
index e3ce031c6..e75c339e5 100644
--- a/radio/src/pulses/pxx2.cpp
+++ b/radio/src/pulses/pxx2.cpp
@@ -104,23 +104,23 @@ bool Pxx2Pulses::setupSpectrumAnalyser(uint8_t module)
   addFrameType(PXX2_TYPE_C_POWER_METER, PXX2_TYPE_ID_SPECTRUM);
   Pxx2Transport::addByte(0x00);
 
-  uint32_t fq = 2440000000;  // 2440MHz
-  Pxx2Transport::addByte(fq);
-  Pxx2Transport::addByte(fq >> 8);
-  Pxx2Transport::addByte(fq >> 16);
-  Pxx2Transport::addByte(fq >> 24);
+  reusableBuffer.spectrum.fq = 2440000000;  // 2440MHz
+  Pxx2Transport::addByte(reusableBuffer.spectrum.fq);
+  Pxx2Transport::addByte(reusableBuffer.spectrum.fq >> 8);
+  Pxx2Transport::addByte(reusableBuffer.spectrum.fq >> 16);
+  Pxx2Transport::addByte(reusableBuffer.spectrum.fq >> 24);
 
-  uint32_t span = 40000000;  // 40MHz
-  Pxx2Transport::addByte(span);
-  Pxx2Transport::addByte(span >> 8);
-  Pxx2Transport::addByte(span >> 16);
-  Pxx2Transport::addByte(span >> 24);
+  reusableBuffer.spectrum.span = 40000000;  // 40MHz
+  Pxx2Transport::addByte(reusableBuffer.spectrum.span);
+  Pxx2Transport::addByte(reusableBuffer.spectrum.span >> 8);
+  Pxx2Transport::addByte(reusableBuffer.spectrum.span >> 16);
+  Pxx2Transport::addByte(reusableBuffer.spectrum.span >> 24);
 
-  uint32_t step = 100000;  // 100KHz
-  Pxx2Transport::addByte(step);
-  Pxx2Transport::addByte(step >> 8);
-  Pxx2Transport::addByte(step >> 16);
-  Pxx2Transport::addByte(step >> 24);
+  reusableBuffer.spectrum.step = 100000;  // 100KHz
+  Pxx2Transport::addByte(reusableBuffer.spectrum.step);
+  Pxx2Transport::addByte(reusableBuffer.spectrum.step >> 8);
+  Pxx2Transport::addByte(reusableBuffer.spectrum.step >> 16);
+  Pxx2Transport::addByte(reusableBuffer.spectrum.step >> 24);
 
   return true;
 }