diff --git a/csdr/chain/multimon.py b/csdr/chain/multimon.py
index 34f838e5..07288fb7 100644
--- a/csdr/chain/multimon.py
+++ b/csdr/chain/multimon.py
@@ -1,15 +1,17 @@
 from csdr.chain.demodulator import ServiceDemodulator, DialFrequencyReceiver
 from pycsdr.modules import FmDemod, AudioResampler
 from mmon.modules import Flex
-
+from owrx.multimon import MultimonParser
 
 class FlexDemodulator(ServiceDemodulator, DialFrequencyReceiver):
-    def __init__(self):
+    def __init__(self, service: bool = False):
         self.sampleRate = 24000
+        self.parser = MultimonParser(service=service)
         workers = [
             FmDemod(),
             AudioResampler(self.sampleRate, 22050),
             Flex(),
+            self.parser,
         ]
         super().__init__(workers)
 
@@ -20,5 +22,5 @@ class FlexDemodulator(ServiceDemodulator, DialFrequencyReceiver):
         return False
 
     def setDialFrequency(self, frequency: int) -> None:
-        pass
+        self.parse.setDialFrequency(frequency)
 
diff --git a/htdocs/css/openwebrx.css b/htdocs/css/openwebrx.css
index 3944cd72..1ce39981 100644
--- a/htdocs/css/openwebrx.css
+++ b/htdocs/css/openwebrx.css
@@ -1198,6 +1198,16 @@ img.openwebrx-mirror-img
     white-space: pre;
 }
 
+#openwebrx-panel-flex-message .address {
+    width: 100px;
+}
+
+#openwebrx-panel-flex-message .message {
+    width: 486px;
+    max-width: 486px;
+    white-space: pre;
+}
+
 #openwebrx-panel-sstv-message {
     height: 310px;
     width: 365px;
diff --git a/htdocs/index.html b/htdocs/index.html
index 83f689a7..53e06b9f 100644
--- a/htdocs/index.html
+++ b/htdocs/index.html
@@ -83,6 +83,7 @@
                 <div class="openwebrx-panel openwebrx-message-panel" id="openwebrx-panel-js8-message" style="display:none; width: 619px;" data-panel-name="js8-message"></div>
                 <div class="openwebrx-panel openwebrx-message-panel" id="openwebrx-panel-packet-message" style="display: none; width: 619px;" data-panel-name="aprs-message"></div>
                 <div class="openwebrx-panel openwebrx-message-panel" id="openwebrx-panel-pocsag-message" style="display: none; width: 619px;" data-panel-name="pocsag-message"></div>
+                <div class="openwebrx-panel openwebrx-message-panel" id="openwebrx-panel-flex-message" style="display: none; width: 619px;" data-panel-name="flex-message"></div>
                 <div class="openwebrx-panel openwebrx-meta-panel" id="openwebrx-panel-metadata-m17" style="display: none;" data-panel-name="metadata-m17">
                     <div class="openwebrx-meta-slot">
                         <div class="openwebrx-meta-user-image">
diff --git a/htdocs/lib/Demodulator.js b/htdocs/lib/Demodulator.js
index b2041a94..1b94e5aa 100644
--- a/htdocs/lib/Demodulator.js
+++ b/htdocs/lib/Demodulator.js
@@ -5,7 +5,7 @@ function Filter(demodulator) {
 
 Filter.prototype.getLimits = function() {
     var max_bw;
-    if (['pocsag', 'packet', 'ais'].indexOf(this.demodulator.get_secondary_demod()) >= 0) {
+    if (['pocsag', 'flex', 'packet', 'ais'].indexOf(this.demodulator.get_secondary_demod()) >= 0) {
         max_bw = 12500;
     } else if (['dmr', 'dstar', 'nxdn', 'ysf', 'm17'].indexOf(this.demodulator.get_modulation()) >= 0) {
         max_bw = 6250;
diff --git a/htdocs/lib/DemodulatorPanel.js b/htdocs/lib/DemodulatorPanel.js
index e23267f1..85feee0f 100644
--- a/htdocs/lib/DemodulatorPanel.js
+++ b/htdocs/lib/DemodulatorPanel.js
@@ -166,6 +166,7 @@ DemodulatorPanel.prototype.updatePanels = function() {
     toggle_panel("openwebrx-panel-js8-message", modulation == "js8");
     toggle_panel("openwebrx-panel-packet-message", ["packet", "ais"].indexOf(modulation) >= 0);
     toggle_panel("openwebrx-panel-pocsag-message", modulation === "pocsag");
+    toggle_panel("openwebrx-panel-flex-message", modulation === "flex");
     toggle_panel("openwebrx-panel-sstv-message", modulation === "sstv");
     toggle_panel("openwebrx-panel-fax-message", modulation === "fax");
 
diff --git a/htdocs/lib/MessagePanel.js b/htdocs/lib/MessagePanel.js
index a7954fc5..46d6aacb 100644
--- a/htdocs/lib/MessagePanel.js
+++ b/htdocs/lib/MessagePanel.js
@@ -270,6 +270,47 @@ $.fn.pocsagMessagePanel = function() {
     return this.data('panel');
 };
 
+FlexMessagePanel = function(el) {
+    MessagePanel.call(this, el);
+    this.initClearTimer();
+}
+
+FlexMessagePanel.prototype = new MessagePanel();
+
+FlexMessagePanel.prototype.supportsMessage = function(message) {
+    return message['mode'] === 'Flex';
+};
+
+FlexMessagePanel.prototype.render = function() {
+    $(this.el).append($(
+        '<table>' +
+            '<thead><tr>' +
+                '<th class="address">Address</th>' +
+                '<th class="message">Message</th>' +
+            '</tr></thead>' +
+            '<tbody></tbody>' +
+        '</table>'
+    ));
+};
+
+FlexMessagePanel.prototype.pushMessage = function(msg) {
+    var $b = $(this.el).find('tbody');
+    $b.append($(
+        '<tr>' +
+            '<td class="address">' + msg.address + '</td>' +
+            '<td class="message">' + msg.message + '</td>' +
+        '</tr>'
+    ));
+    $b.scrollTop($b[0].scrollHeight);
+};
+
+$.fn.flexMessagePanel = function() {
+    if (!this.data('panel')) {
+        this.data('panel', new FlexMessagePanel(this));
+    }
+    return this.data('panel');
+};
+
 SstvMessagePanel = function(el) {
     MessagePanel.call(this, el);
     this.initClearTimer();
diff --git a/htdocs/openwebrx.js b/htdocs/openwebrx.js
index b8a22edf..55c66035 100644
--- a/htdocs/openwebrx.js
+++ b/htdocs/openwebrx.js
@@ -1166,11 +1166,12 @@ function on_ws_recv(evt) {
                     case 'secondary_demod':
                         var value = json['value'];
                         var panels = [
-                            $("#openwebrx-panel-wsjt-message").wsjtMessagePanel(), 
-                            $('#openwebrx-panel-packet-message').packetMessagePanel(), 
-                            $('#openwebrx-panel-pocsag-message').pocsagMessagePanel(), 
-                            $('#openwebrx-panel-sstv-message').sstvMessagePanel(), 
-                            $('#openwebrx-panel-fax-message').faxMessagePanel(), 
+                            $("#openwebrx-panel-wsjt-message").wsjtMessagePanel(),
+                            $('#openwebrx-panel-packet-message').packetMessagePanel(),
+                            $('#openwebrx-panel-pocsag-message').pocsagMessagePanel(),
+                            $('#openwebrx-panel-flex-message').flexMessagePanel(),
+                            $('#openwebrx-panel-sstv-message').sstvMessagePanel(),
+                            $('#openwebrx-panel-fax-message').faxMessagePanel(),
                             $("#openwebrx-panel-js8-message").js8()
                         ];
                         if (!panels.some(function(panel) {
@@ -1843,6 +1844,7 @@ function secondary_demod_init() {
     $('#openwebrx-panel-wsjt-message').wsjtMessagePanel();
     $('#openwebrx-panel-packet-message').packetMessagePanel();
     $('#openwebrx-panel-pocsag-message').pocsagMessagePanel();
+    $('#openwebrx-panel-flex-message').pocsagMessagePanel();
     $('#openwebrx-panel-sstv-message').sstvMessagePanel();
     $('#openwebrx-panel-fax-message').faxMessagePanel();
     $('#openwebrx-panel-js8-message').js8();