diff --git a/front-generator/render-params.json b/front-generator/render-params.json
index 0e1b2b5..10b995e 100644
--- a/front-generator/render-params.json
+++ b/front-generator/render-params.json
@@ -22,7 +22,7 @@
                     "values": [{"label": "Нормальный", "value": "false"}, {"label": "Тест (CW)", "value": "true"}]
                   },
                   {"widget": "number", "label": "Центральная частота, КГц", "name": "txCentralFreq", "min": 900000, "step": 0.01, "v_show": "paramRxtx.txModulatorIsTest"},
-                  {"widget": "number", "label": "Ослабление, дБ", "name": "txAttenuation", "min": 0, "step": 1}
+                  {"widget": "number", "label": "Ослабление, дБ", "name": "txAttenuation", "max": 0, "min": -40, "step": 1}
                 ]
               },
               {
@@ -154,7 +154,7 @@
                     "values": [{"label": "Ethernet", "value": "false"}, {"label": "Тест", "value": "true"}]
                   },
                   {"widget": "h3", "label": "Параметры передачи"},
-                  {"widget": "number-int", "label": "Центральная частота, КГц", "name": "txCentralFreq", "min": 950000, "max": 6000000},
+                  {"widget": "number-int", "label": "Центральная частота, КГц", "name": "txCentralFreq", "min": 950000, "max": 6000000, "step": 0.01},
                   {"widget": "number-int", "label": "Символьная скорость, Бод", "name": "txBaudrate", "min": 200000, "max": 54000000},
                   {
                     "widget": "select", "label": "Roll-off", "name": "txRolloff",
@@ -164,7 +164,7 @@
                     "widget": "select", "label": "Номер последовательности Голда", "name": "txGoldan",
                     "values": [{"label": "0", "value": "0"}, {"label": "1", "value": "1"}]
                   },
-                  {"widget": "number", "label": "Ослабление, дБ", "name": "txAttenuation", "min": 0, "step": 1}
+                  {"widget": "number", "label": "Ослабление, дБ", "name": "txAttenuation", "max": 0, "min": -40, "step": 0.25}
                 ]
               },
               {
@@ -198,8 +198,8 @@
                 "childs": [
                   {"widget": "h3", "label": "Авто-регулировка мощности"},
                   {"widget": "checkbox", "label": "Авто-регулировка мощности", "name": "aupcEn"},
-                  {"widget": "number", "label": "Минимальное ослабление, дБ", "name": "aupcMinAttenuation", "min": 0, "step": 0.01, "max": 10},
-                  {"widget": "number", "label": "Максимальное ослабление, дБ", "name": "aupcMaxAttenuation", "min": 0, "step": 0.01, "max": 10},
+                  {"widget": "number", "label": "Минимальное ослабление, дБ", "name": "aupcMinAttenuation", "min": 0, "step": 0.1, "max": 10},
+                  {"widget": "number", "label": "Максимальное ослабление, дБ", "name": "aupcMaxAttenuation", "min": 0, "step": 0.1, "max": 10},
                   {"widget": "number", "label": "Требуемое ОСШ", "name": "aupcRequiredSnr", "min": 0, "step": 0.01, "max": 10}
                 ]
               },
@@ -214,7 +214,7 @@
                   {"widget": "number", "label": "Усиление, дБ", "name": "rxManualGain", "min": -40, "step": 0.01, "max": 40, "v_show": "paramRxtx.rxAgcEn === false"},
                   {"widget": "watch-expr", "label": "Текущее усиление", "expr": "paramRxtx.rxManualGain", "v_show": "paramRxtx.rxAgcEn === true"},
                   {"widget": "checkbox", "label": "Инверсия спектра", "name": "rxSpectrumInversion"},
-                  {"widget": "number-int", "label": "Центральная частота, КГц", "name": "rxCentralFreq", "min": 950000, "max": 6000000},
+                  {"widget": "number-int", "label": "Центральная частота, КГц", "name": "rxCentralFreq", "min": 950000, "max": 6000000, "step": 0.01},
                   {"widget": "number-int", "label": "Символьная скорость, Бод", "name": "rxBaudrate", "min": 200000, "max": 54000000},
                   {
                     "widget": "select", "label": "Roll-off", "name": "rxRolloff",
diff --git a/front-generator/render.py b/front-generator/render.py
index 43d6d79..5512761 100644
--- a/front-generator/render.py
+++ b/front-generator/render.py
@@ -22,6 +22,8 @@ def extract_param_names(mc):
                 copy_fields['min'] = widget['min']
             if 'max' in widget:
                 copy_fields['max'] = widget['max']
+            if 'step' in widget:
+                copy_fields['step'] = widget['step']
 
             match widget['widget']:
                 case 'select': return [{"initValue": widget['values'][0]['value']} | copy_fields]
diff --git a/front-generator/template/common/widgets.j2 b/front-generator/template/common/widgets.j2
index 647f718..923397c 100644
--- a/front-generator/template/common/widgets.j2
+++ b/front-generator/template/common/widgets.j2
@@ -6,11 +6,11 @@
 {# https://ru.stackoverflow.com/questions/1241064 #}
 {% macro build_widget_number(param_group, widget) %}<label{% if widget.v_show %} v-show="{{ widget.v_show }}"{% endif %}><span>{{ widget.label }}</span><input type="number" v-model="param{{ param_group | title }}.{{ widget.name }}"{% if widget['min'] %} min="{{ widget['min'] }}"{% endif %}{% if widget['max'] %} max="{{ widget['max'] }}"{% endif %}{% if widget['step'] %} step="{{ widget['step'] }}"{% endif %}/></label>{% endmacro %}
 
-{% macro js_build_number_int_validator(widget) %}{{ '{' }}{% if widget['min'] %}min:{{ widget['min'] }},{% endif %}{% if widget['max'] %}max:{{ widget['max'] }}{% endif %}{{ '}' }}{% endmacro %}
+{% macro js_build_number_number_validator(widget) %}{{ '{' }}{% if widget['min'] %}min:{{ widget['min'] }},{% endif %}{% if widget['max'] %}max:{{ widget['max'] }},{% endif %}{% if widget['step'] %}step:{{ widget['step'] }}{% endif %}{{ '}' }}{% endmacro %}
 
 {% macro build_widget_number_int(param_group, widget) %}<label{% if widget.v_show %} v-show="{{ widget.v_show }}"{% endif %}>
     <span>{{ widget.label }}</span>
-    <input type="text" v-model.lazy="param{{ param_group | title }}.{{ widget.name }}" @change="e => {{ build_setter(param_group, widget, "inputFormatInt(e.target.value, " ~ js_build_number_int_validator(widget) ~ ")") }}"/>
+    <input type="text" v-model.lazy="param{{ param_group | title }}.{{ widget.name }}" @change="e => {{ build_setter(param_group, widget, "inputFormatNumber(e.target.value, " ~ js_build_number_number_validator(widget) ~ ")") }}"/>
 </label>{% endmacro %}
 
 
@@ -79,15 +79,15 @@
 
 {% macro build_getter_js(param_group, widget) %}{% if widget.widget in ['flex-container', 'settings-container', 'h2', 'h3', 'submit', 'watch', 'watch-expr'] %}null{%
 elif widget.widget in ['checkbox', 'number', 'select', 'ip-address', 'modulation-modcod', 'modulation-speed'] %}this.param{{ param_group | title }}.{{ widget.name }}{%
-elif widget.widget == 'number-int' %}parseInt(this.param{{ param_group | title }}.{{ widget.name }}.replace(/[^0-9]/g, '')){%
+elif widget.widget == 'number-int' %}parseFloat(this.param{{ param_group | title }}.{{ widget.name }}.replace(/[^0-9,.]/g, '').replace(',', '.')){%
 else %}<p>Widget '{{ widget.widget }}' not defined!</p><p>{{ widget }}</p>{% endif %}{% endmacro %}
 
 {% macro build_setter_js(param_group, widget, expr) %}{% if widget.widget in ['flex-container', 'settings-container', 'h2', 'h3', 'submit', 'watch', 'watch-expr'] %}null{%
 elif widget.widget in ['checkbox', 'number', 'select', 'ip-address', 'modulation-modcod', 'modulation-speed'] %}this.param{{ param_group | title }}.{{ widget.name }} = {{ expr }}{%
-elif widget.widget == 'number-int' %}this.param{{ param_group | title }}.{{ widget.name }} = this.inputFormatInt({{ expr }}, {{ js_build_number_int_validator(widget) }}){%
+elif widget.widget == 'number-int' %}this.param{{ param_group | title }}.{{ widget.name }} = this.inputFormatNumber({{ expr }}, {{ js_build_number_number_validator(widget) }}){%
 else %}<p>Widget '{{ widget.widget }}' not defined!</p><p>{{ widget }}</p>{% endif %}{% endmacro %}
 
 {% macro build_setter(param_group, widget, expr) %}{% if widget.widget in ['flex-container', 'settings-container', 'h2', 'h3', 'submit', 'watch', 'watch-expr'] %}null{%
 elif widget.widget in ['checkbox', 'number', 'select', 'ip-address', 'modulation-modcod', 'modulation-speed'] %}param{{ param_group | title }}.{{ widget.name }} = {{ expr }}{%
-elif widget.widget == 'number-int' %}param{{ param_group | title }}.{{ widget.name }} = ({{ expr }}).toString(){%
+elif widget.widget == 'number-int' %}param{{ param_group | title }}.{{ widget.name }} = inputFormatNumber({{ expr }}, {{ js_build_number_number_validator(widget) }}){%
 else %}<p>Widget '{{ widget.widget }}' not defined!</p><p>{{ widget }}</p>{% endif %}{% endmacro %}
diff --git a/front-generator/template/main.html b/front-generator/template/main.html
index be4a111..26be629 100644
--- a/front-generator/template/main.html
+++ b/front-generator/template/main.html
@@ -153,10 +153,12 @@
                         return []
                 }
             },
-            inputFormatInt(src, validation) {
+            inputFormatNumber(src, validation) {
                 if (validation === null || validation === undefined) { validation = {} }
-                const rawVal = src.toString().replace(/[^0-9]/g, '')
-                let result = rawVal === '' ? 0 : parseInt(rawVal)
+                const rawVal = src.toString().replace(/[^0-9.,]/g, '').replace(',', '.')
+                let result = rawVal === '' ? 0 : parseFloat(rawVal)
+                const step = 'step' in validation ? validation['step']: 1.0
+                result = Math.round(result / step) * step
                 if ('min' in validation) { if (result <= validation['min']) { result = validation['min'] } }
                 if ('max' in validation) { if (result >= validation['max']) { result = validation['max'] } }
                 return result.toLocaleString()
diff --git a/static/main-scpc.html b/static/main-scpc.html
index bad893e..40c5633 100644
--- a/static/main-scpc.html
+++ b/static/main-scpc.html
@@ -160,11 +160,11 @@
                     <h3>Параметры передачи</h3>
                     <label>
                         <span>Центральная частота, КГц</span>
-                        <input type="text" v-model.lazy="paramRxtx.txCentralFreq" @change="e => paramRxtx.txCentralFreq = (inputFormatInt(e.target.value, {min:950000,max:6000000})).toString()"/>
+                        <input type="text" v-model.lazy="paramRxtx.txCentralFreq" @change="e => paramRxtx.txCentralFreq = inputFormatNumber(inputFormatNumber(e.target.value, {min:950000,max:6000000,step:0.01}), {min:950000,max:6000000,step:0.01})"/>
                     </label>
                     <label>
                         <span>Символьная скорость, Бод</span>
-                        <input type="text" v-model.lazy="paramRxtx.txBaudrate" @change="e => paramRxtx.txBaudrate = (inputFormatInt(e.target.value, {min:200000,max:54000000})).toString()"/>
+                        <input type="text" v-model.lazy="paramRxtx.txBaudrate" @change="e => paramRxtx.txBaudrate = inputFormatNumber(inputFormatNumber(e.target.value, {min:200000,max:54000000,}), {min:200000,max:54000000,})"/>
                     </label>
                     <label>
                         <span>Roll-off</span>
@@ -184,7 +184,7 @@
                             <option :value="1">1</option>
                         </select>
                     </label>
-                    <label><span>Ослабление, дБ</span><input type="number" v-model="paramRxtx.txAttenuation" step="1"/></label>
+                    <label><span>Ослабление, дБ</span><input type="number" v-model="paramRxtx.txAttenuation" min="-40" step="0.25"/></label>
                 </div>
                 <div class="settings-set-container">
                     <h3>Режим работы DVB-S2</h3>
@@ -268,8 +268,8 @@
                         <span>Авто-регулировка мощности</span>
                         <span class="toggle-input"><input type="checkbox" v-model="paramRxtx.aupcEn" /><span class="slider"></span></span>
                     </label>
-                    <label><span>Минимальное ослабление, дБ</span><input type="number" v-model="paramRxtx.aupcMinAttenuation" max="10" step="0.01"/></label>
-                    <label><span>Максимальное ослабление, дБ</span><input type="number" v-model="paramRxtx.aupcMaxAttenuation" max="10" step="0.01"/></label>
+                    <label><span>Минимальное ослабление, дБ</span><input type="number" v-model="paramRxtx.aupcMinAttenuation" max="10" step="0.1"/></label>
+                    <label><span>Максимальное ослабление, дБ</span><input type="number" v-model="paramRxtx.aupcMaxAttenuation" max="10" step="0.1"/></label>
                     <label><span>Требуемое ОСШ</span><input type="number" v-model="paramRxtx.aupcRequiredSnr" max="10" step="0.01"/></label>
                 </div>
                 <div class="settings-set-container">
@@ -291,11 +291,11 @@
                     </label>
                     <label>
                         <span>Центральная частота, КГц</span>
-                        <input type="text" v-model.lazy="paramRxtx.rxCentralFreq" @change="e => paramRxtx.rxCentralFreq = (inputFormatInt(e.target.value, {min:950000,max:6000000})).toString()"/>
+                        <input type="text" v-model.lazy="paramRxtx.rxCentralFreq" @change="e => paramRxtx.rxCentralFreq = inputFormatNumber(inputFormatNumber(e.target.value, {min:950000,max:6000000,step:0.01}), {min:950000,max:6000000,step:0.01})"/>
                     </label>
                     <label>
                         <span>Символьная скорость, Бод</span>
-                        <input type="text" v-model.lazy="paramRxtx.rxBaudrate" @change="e => paramRxtx.rxBaudrate = (inputFormatInt(e.target.value, {min:200000,max:54000000})).toString()"/>
+                        <input type="text" v-model.lazy="paramRxtx.rxBaudrate" @change="e => paramRxtx.rxBaudrate = inputFormatNumber(inputFormatNumber(e.target.value, {min:200000,max:54000000,}), {min:200000,max:54000000,})"/>
                     </label>
                     <label>
                         <span>Roll-off</span>
@@ -590,7 +590,7 @@
                     txBaudrate: 0,
                     txRolloff: 2,
                     txGoldan: 0,
-                    txAttenuation: 0,
+                    txAttenuation: -40,
                     dvbServicePacketPeriod: 0,
                     dvbIsAcm: false,
                     txFrameSizeNormal: true,
@@ -755,10 +755,12 @@
                         return []
                 }
             },
-            inputFormatInt(src, validation) {
+            inputFormatNumber(src, validation) {
                 if (validation === null || validation === undefined) { validation = {} }
-                const rawVal = src.toString().replace(/[^0-9]/g, '')
-                let result = rawVal === '' ? 0 : parseInt(rawVal)
+                const rawVal = src.toString().replace(/[^0-9.,]/g, '').replace(',', '.')
+                let result = rawVal === '' ? 0 : parseFloat(rawVal)
+                const step = 'step' in validation ? validation['step']: 1.0
+                result = Math.round(result / step) * step
                 if ('min' in validation) { if (result <= validation['min']) { result = validation['min'] } }
                 if ('max' in validation) { if (result >= validation['max']) { result = validation['max'] } }
                 return result.toLocaleString()
@@ -774,8 +776,8 @@
                     "txAutoStart": this.paramRxtx.txAutoStart,
                     "txModulatorIsTest": this.paramRxtx.txModulatorIsTest,
                     "txIsTestInput": this.paramRxtx.txIsTestInput,
-                    "txCentralFreq": parseInt(this.paramRxtx.txCentralFreq.replace(/[^0-9]/g, '')),
-                    "txBaudrate": parseInt(this.paramRxtx.txBaudrate.replace(/[^0-9]/g, '')),
+                    "txCentralFreq": parseFloat(this.paramRxtx.txCentralFreq.replace(/[^0-9,.]/g, '').replace(',', '.')),
+                    "txBaudrate": parseFloat(this.paramRxtx.txBaudrate.replace(/[^0-9,.]/g, '').replace(',', '.')),
                     "txRolloff": this.paramRxtx.txRolloff,
                     "txGoldan": this.paramRxtx.txGoldan,
                     "txAttenuation": this.paramRxtx.txAttenuation,
@@ -796,8 +798,8 @@
                     "rxAgcEn": this.paramRxtx.rxAgcEn,
                     "rxManualGain": this.paramRxtx.rxManualGain,
                     "rxSpectrumInversion": this.paramRxtx.rxSpectrumInversion,
-                    "rxCentralFreq": parseInt(this.paramRxtx.rxCentralFreq.replace(/[^0-9]/g, '')),
-                    "rxBaudrate": parseInt(this.paramRxtx.rxBaudrate.replace(/[^0-9]/g, '')),
+                    "rxCentralFreq": parseFloat(this.paramRxtx.rxCentralFreq.replace(/[^0-9,.]/g, '').replace(',', '.')),
+                    "rxBaudrate": parseFloat(this.paramRxtx.rxBaudrate.replace(/[^0-9,.]/g, '').replace(',', '.')),
                     "rxRolloff": this.paramRxtx.rxRolloff,
                     "rxGoldan": this.paramRxtx.rxGoldan,
                 }
@@ -885,8 +887,8 @@
                 this.paramRxtx.txAutoStart = vals["settings"]["txAutoStart"]
                 this.paramRxtx.txModulatorIsTest = vals["settings"]["txModulatorIsTest"]
                 this.paramRxtx.txIsTestInput = vals["settings"]["txIsTestInput"]
-                this.paramRxtx.txCentralFreq = this.inputFormatInt(vals["settings"]["txCentralFreq"], {min:950000,max:6000000})
-                this.paramRxtx.txBaudrate = this.inputFormatInt(vals["settings"]["txBaudrate"], {min:200000,max:54000000})
+                this.paramRxtx.txCentralFreq = this.inputFormatNumber(vals["settings"]["txCentralFreq"], {min:950000,max:6000000,step:0.01})
+                this.paramRxtx.txBaudrate = this.inputFormatNumber(vals["settings"]["txBaudrate"], {min:200000,max:54000000,})
                 this.paramRxtx.txRolloff = vals["settings"]["txRolloff"]
                 this.paramRxtx.txGoldan = vals["settings"]["txGoldan"]
                 this.paramRxtx.txAttenuation = vals["settings"]["txAttenuation"]
@@ -907,8 +909,8 @@
                 this.paramRxtx.rxAgcEn = vals["settings"]["rxAgcEn"]
                 this.paramRxtx.rxManualGain = vals["settings"]["rxManualGain"]
                 this.paramRxtx.rxSpectrumInversion = vals["settings"]["rxSpectrumInversion"]
-                this.paramRxtx.rxCentralFreq = this.inputFormatInt(vals["settings"]["rxCentralFreq"], {min:950000,max:6000000})
-                this.paramRxtx.rxBaudrate = this.inputFormatInt(vals["settings"]["rxBaudrate"], {min:200000,max:54000000})
+                this.paramRxtx.rxCentralFreq = this.inputFormatNumber(vals["settings"]["rxCentralFreq"], {min:950000,max:6000000,step:0.01})
+                this.paramRxtx.rxBaudrate = this.inputFormatNumber(vals["settings"]["rxBaudrate"], {min:200000,max:54000000,})
                 this.paramRxtx.rxRolloff = vals["settings"]["rxRolloff"]
                 this.paramRxtx.rxGoldan = vals["settings"]["rxGoldan"]
             },
diff --git a/static/main-tdma.html b/static/main-tdma.html
index 8b44efa..efc81ac 100644
--- a/static/main-tdma.html
+++ b/static/main-tdma.html
@@ -124,7 +124,7 @@
                         </select>
                     </label>
                     <label v-show="paramRxtx.txModulatorIsTest"><span>Центральная частота, КГц</span><input type="number" v-model="paramRxtx.txCentralFreq" min="900000" step="0.01"/></label>
-                    <label><span>Ослабление, дБ</span><input type="number" v-model="paramRxtx.txAttenuation" step="1"/></label>
+                    <label><span>Ослабление, дБ</span><input type="number" v-model="paramRxtx.txAttenuation" min="-40" step="1"/></label>
                 </div>
                 <div class="settings-set-container">
                     <h3>Настройки приемника</h3>
@@ -289,7 +289,7 @@
                     txEn: false,
                     txModulatorIsTest: false,
                     txCentralFreq: 900000,
-                    txAttenuation: 0,
+                    txAttenuation: -40,
                     rxAgcEn: true,
                     rxManualGain: -40,
                     rxSpectrumInversion: false,
@@ -409,10 +409,12 @@
                         return []
                 }
             },
-            inputFormatInt(src, validation) {
+            inputFormatNumber(src, validation) {
                 if (validation === null || validation === undefined) { validation = {} }
-                const rawVal = src.toString().replace(/[^0-9]/g, '')
-                let result = rawVal === '' ? 0 : parseInt(rawVal)
+                const rawVal = src.toString().replace(/[^0-9.,]/g, '').replace(',', '.')
+                let result = rawVal === '' ? 0 : parseFloat(rawVal)
+                const step = 'step' in validation ? validation['step']: 1.0
+                result = Math.round(result / step) * step
                 if ('min' in validation) { if (result <= validation['min']) { result = validation['min'] } }
                 if ('max' in validation) { if (result >= validation['max']) { result = validation['max'] } }
                 return result.toLocaleString()