diff --git a/firmware/application/radio.cpp b/firmware/application/radio.cpp
index 88ef4a21..b61ce022 100644
--- a/firmware/application/radio.cpp
+++ b/firmware/application/radio.cpp
@@ -146,6 +146,10 @@ void set_vga_gain(const int_fast8_t db) {
 	second_if.set_vga_gain(db);
 }
 
+void set_tx_gain(const int_fast8_t db) {
+	second_if.set_tx_vga_gain(db);
+}
+
 void set_baseband_filter_bandwidth(const uint32_t bandwidth_minimum) {
 	second_if.set_lpf_rf_bandwidth(bandwidth_minimum);
 }
diff --git a/firmware/application/radio.hpp b/firmware/application/radio.hpp
index 4c1faa78..6d22acf3 100644
--- a/firmware/application/radio.hpp
+++ b/firmware/application/radio.hpp
@@ -47,6 +47,7 @@ bool set_tuning_frequency(const rf::Frequency frequency);
 void set_rf_amp(const bool rf_amp);
 void set_lna_gain(const int_fast8_t db);
 void set_vga_gain(const int_fast8_t db);
+void set_tx_gain(const int_fast8_t db);
 void set_baseband_filter_bandwidth(const uint32_t bandwidth_minimum);
 void set_baseband_rate(const uint32_t rate);
 void set_baseband_decimation_by(const size_t n);