diff --git a/dependencies/control_system_client_tdma b/dependencies/control_system_client_tdma
index 78694fd..4eefdaf 160000
--- a/dependencies/control_system_client_tdma
+++ b/dependencies/control_system_client_tdma
@@ -1 +1 @@
-Subproject commit 78694fd775841c6db96323d1d35c20f607f94daf
+Subproject commit 4eefdaf82edd0ddca2e3a1f5843a7cb1a66eb5a0
diff --git a/front-generator/render-params.json b/front-generator/render-params.json
index f72f7b8..40ce5a8 100644
--- a/front-generator/render-params.json
+++ b/front-generator/render-params.json
@@ -22,7 +22,8 @@
                     "values": [{"label": "Нормальный", "value": "false"}, {"label": "Тест (CW)", "value": "true"}]
                   },
                   {"widget": "number-int", "label": "Центральная частота, КГц", "name": "txCentralFreq", "min": 900000, "step": 0.01, "v_show": "paramRxtx.txModulatorIsTest"},
-                  {"widget": "number", "label": "Ослабление, дБ", "name": "txAttenuation", "max": 0, "min": -90, "step": 1}
+                  {"widget": "number", "label": "Ослабление, дБ", "name": "txAttenuation", "max": 0, "min": -90, "step": 1},
+                  {"widget": "number", "label": "Ограничение ослабления", "name": "txAttenuationLimit", "max": 0, "min": -40, "step": 0.25}
                 ]
               },
               {
diff --git a/src/api-driver/structs.cpp b/src/api-driver/structs.cpp
index 87ef0d9..bb0a92c 100644
--- a/src/api-driver/structs.cpp
+++ b/src/api-driver/structs.cpp
@@ -670,6 +670,10 @@ void api_driver::obj::TerminalRxTxSettings::updateMainSettings(const nlohmann::j
     mod.txFieldsDataPreamble = data.value("txFieldsDataPreamble", mod.txFieldsDataPreamble);
 #endif
 
+#ifdef MODEM_IS_TDMA
+    mod.limitation_attenuation = data.value("txAttenuationLimit", mod.limitation_attenuation);
+#endif
+
     // демодулятор
     dem.is_aru_on = data.value("rxAgcEn", dem.is_aru_on);
     dem.gain = data.value("rxManualGain", dem.gain);
@@ -864,6 +868,10 @@ nlohmann::json api_driver::obj::TerminalRxTxSettings::asJson() const {
         rxtx["dvbCcmSpeed"] = extractModcodSpeed(mod.modcod_tx);
 #endif
 
+#ifdef MODEM_IS_TDMA
+        rxtx["txAttenuationLimit"] = mod.limitation_attenuation;
+#endif
+
         // демодулятор
         rxtx["rxAgcEn"] = dem.is_aru_on;
         rxtx["rxManualGain"] = dem.gain;
diff --git a/static/main-tdma.html b/static/main-tdma.html
index 93db9c1..2a0a826 100644
--- a/static/main-tdma.html
+++ b/static/main-tdma.html
@@ -132,6 +132,7 @@
                         <input type="text" v-model.lazy="paramRxtx.txCentralFreq" @change="e => paramRxtx.txCentralFreq = inputFormatNumber(inputFormatNumber(e.target.value, {min:900000,step:0.01}), {min:900000,step:0.01})"/>
                     </label>
                     <label><span>Ослабление, дБ</span><input type="number" v-model="paramRxtx.txAttenuation" min="-90" step="1"/></label>
+                    <label><span>Ограничение ослабления</span><input type="number" v-model="paramRxtx.txAttenuationLimit" min="-40" step="0.25"/></label>
                 </div>
                 <div class="settings-set-container">
                     <h3>Настройки приемника</h3>
@@ -351,6 +352,7 @@
                     txModulatorIsTest: false,
                     txCentralFreq: 0,
                     txAttenuation: -90,
+                    txAttenuationLimit: -40,
                     rxAgcEn: true,
                     rxManualGain: -40,
                     rxSpectrumInversion: false,
@@ -499,6 +501,7 @@
                     "txModulatorIsTest": this.paramRxtx.txModulatorIsTest,
                     "txCentralFreq": parseFloat(this.paramRxtx.txCentralFreq.replace(/[^0-9,.]/g, '').replace(',', '.')),
                     "txAttenuation": this.paramRxtx.txAttenuation,
+                    "txAttenuationLimit": this.paramRxtx.txAttenuationLimit,
                     "rxAgcEn": this.paramRxtx.rxAgcEn,
                     "rxManualGain": this.paramRxtx.rxManualGain,
                     "rxSpectrumInversion": this.paramRxtx.rxSpectrumInversion,
@@ -573,6 +576,7 @@
                 this.paramRxtx.txModulatorIsTest = vals["settings"]["rxtx"]["txModulatorIsTest"]
                 this.paramRxtx.txCentralFreq = this.inputFormatNumber(vals["settings"]["rxtx"]["txCentralFreq"], {min:900000,step:0.01})
                 this.paramRxtx.txAttenuation = vals["settings"]["rxtx"]["txAttenuation"]
+                this.paramRxtx.txAttenuationLimit = vals["settings"]["rxtx"]["txAttenuationLimit"]
                 this.paramRxtx.rxAgcEn = vals["settings"]["rxtx"]["rxAgcEn"]
                 this.paramRxtx.rxManualGain = vals["settings"]["rxtx"]["rxManualGain"]
                 this.paramRxtx.rxSpectrumInversion = vals["settings"]["rxtx"]["rxSpectrumInversion"]