diff --git a/openrtx/include/protocols/M17/M17Modulator.h b/openrtx/include/protocols/M17/M17Modulator.h
index 618e00fa..00e96f8c 100644
--- a/openrtx/include/protocols/M17/M17Modulator.h
+++ b/openrtx/include/protocols/M17/M17Modulator.h
@@ -111,7 +111,13 @@ private:
     static constexpr size_t M17_TX_SAMPLE_RATE    = 48000;
     static constexpr size_t M17_FRAME_SAMPLES_48K = 1920;
     static constexpr size_t M17_FRAME_SYMBOLS     = 192;
+    #ifdef PLATFORM_MOD17
+    static constexpr float  M17_RRC_GAIN          = 15000.0f;
+    static constexpr float  M17_RRC_OFFSET        = 11500.0f;
+    #else
     static constexpr float  M17_RRC_GAIN          = 7168.0f;
+    static constexpr float  M17_RRC_OFFSET        = 0.0f;
+    #endif
 
     std::array< int16_t, M17_FRAME_SYMBOLS > symbols;
     stream_sample_t  *baseband_buffer;  ///< Buffer for baseband audio handling.
diff --git a/openrtx/src/protocols/M17/M17Modulator.cpp b/openrtx/src/protocols/M17/M17Modulator.cpp
index ef86df97..f2fde84f 100644
--- a/openrtx/src/protocols/M17/M17Modulator.cpp
+++ b/openrtx/src/protocols/M17/M17Modulator.cpp
@@ -97,7 +97,8 @@ void M17Modulator::generateBaseband()
     for(size_t i = 0; i < M17_FRAME_SAMPLES_48K; i++)
     {
         float elem    = static_cast< float >(idleBuffer[i]);
-        idleBuffer[i] = static_cast< int16_t >(M17::rrc(elem) * M17_RRC_GAIN);
+        idleBuffer[i] = static_cast< int16_t >((M17::rrc(elem) * M17_RRC_GAIN)
+                                                - M17_RRC_OFFSET);
     }
 }
 
diff --git a/platform/drivers/audio/outputStream_Mod17.cpp b/platform/drivers/audio/outputStream_Mod17.cpp
index 31456a1b..813444c0 100644
--- a/platform/drivers/audio/outputStream_Mod17.cpp
+++ b/platform/drivers/audio/outputStream_Mod17.cpp
@@ -51,7 +51,7 @@ void stopTransfer()
     TIM7->CR1    = 0;              // Shutdown timer
     DAC->SR      = 0;              // Clear status flags
     DAC->CR      = DAC_CR_EN1;     // Keep only channel 1 active
-    DAC->DHR12R1 = 2048;           // Set channel 1 (RTX) to VDD/2 when idle
+    DAC->DHR12R1 = 1365;           // Set channel 1 (RTX) to about 1.1V when idle
 
     // Clear flags
     running      = false;
diff --git a/platform/targets/Module17/platform.c b/platform/targets/Module17/platform.c
index fc92b5f8..7e055d05 100644
--- a/platform/targets/Module17/platform.c
+++ b/platform/targets/Module17/platform.c
@@ -42,19 +42,19 @@ void platform_init()
     gpio_setMode(PTT_OUT, OUTPUT);
     gpio_clearPin(PTT_OUT);
 
-    /* Set analog output for baseband signal to an idle level of VDD/2 */
+    /* Set analog output for baseband signal to an idle level of 1.1V */
     gpio_setMode(BASEBAND_TX, INPUT_ANALOG);
     RCC->APB1ENR |= RCC_APB1ENR_DACEN;
     DAC->CR      |= DAC_CR_EN1;
-    DAC->DHR12R1  = 2048;
+    DAC->DHR12R1  = 1365;
 
     nvm_init();
     adc1_init();
     i2c_init();
     mcp4551_init(SOFTPOT_RX);
     mcp4551_init(SOFTPOT_TX);
+    mcp4551_setWiper(SOFTPOT_TX, 0x100);
     //mcp4551_setWiper(SOFTPOT_RX, MCP4551_WIPER_A);
-    //mcp4551_setWiper(SOFTPOT_TX, MCP4551_WIPER_A);
 
     audio_init();
 }