diff --git a/data_embed/index.html b/data_embed/index.html
index d60e0d8..25a51f9 100644
--- a/data_embed/index.html
+++ b/data_embed/index.html
@@ -101,14 +101,26 @@
                         <label for="aprs_batt">Show Battery</label>
                         <input name="aprs_batt" id="aprs_batt" type="checkbox" value="1" title=" show battery voltage after personal comment">
                     </div>
+                    </div>
+                    <div class="grid-container full">
+                        <h5 class="u-full-width">Telemetry Settings</h5>
+                    </div>
+                    <div class="grid-container quarters">
                     <div>
                         <label for="tnc_tel">Enable Self Telemetry</label>
-                        <input name="tnc_tel" id="tnc_tel" type="checkbox" value="1" title=" send self telemetry data">
+                        <input name="tnc_tel" id="tnc_tel" type="checkbox" value="1" title="send self telemetry data">
                     </div>
                     <div>
                         <label for="tnc_tel_int">Self Telemetry Interval [s]</label>
                         <input name="tnc_tel_int" id="tnc_tel_int" type="number" min="10" title="time between sending telemetry if Enable Self Telemetry option is selected ">
                     </div>
+                    <div>
+                        <label for="tnc_tel_mic">Self Telemetry Sequence</label>
+                        <select id="tnc_tel_mic" name="tnc_tel_mic" title="self telemetry sequence type (numeric supported by aprs.fi and aprsdirect.com)">
+                            <option value="0">Numeric</option>
+                            <option value="1">MIC</option>
+                        </select>
+                    </div>
                 </div>
                 <div class="grid-container full">
                     <h5 class="u-full-width">Fixed Beaconing Settings</h5>
diff --git a/include/preference_storage.h b/include/preference_storage.h
index f401627..c61a7d0 100644
--- a/include/preference_storage.h
+++ b/include/preference_storage.h
@@ -41,6 +41,8 @@ static const char *const PREF_TNC_SELF_TELEMETRY_INTERVAL = "tnc_tel_int";
 static const char *const PREF_TNC_SELF_TELEMETRY_INTERVAL_INIT = "tnc_tel_int_i";
 static const char *const PREF_TNC_SELF_TELEMETRY_SEQ = "tnc_tel_seq";
 static const char *const PREF_TNC_SELF_TELEMETRY_SEQ_INIT = "tnc_tel_seq_i";
+static const char *const PREF_TNC_SELF_TELEMETRY_MIC = "tnc_tel_mic";
+static const char *const PREF_TNC_SELF_TELEMETRY_MIC_INIT = "tnc_tel_mic_i";
 // SMART BEACONING
 static const char *const PREF_APRS_SB_MIN_INTERVAL_PRESET = "sb_min_interv";
 static const char *const PREF_APRS_SB_MIN_INTERVAL_PRESET_INIT = "sb_min_interv_i";
diff --git a/src/TTGO_T-Beam_LoRa_APRS.ino b/src/TTGO_T-Beam_LoRa_APRS.ino
index 0dc6af8..787984e 100644
--- a/src/TTGO_T-Beam_LoRa_APRS.ino
+++ b/src/TTGO_T-Beam_LoRa_APRS.ino
@@ -123,6 +123,11 @@ int tel_sequence;
 #else
   boolean enable_tel = false;
 #endif
+#ifdef TNC_SELF_TELEMETRY_MIC
+  int tel_mic = 1; // telemetry as "T#MIC"
+#else
+  int tel_mic = 0; // telemetry as "T#001"
+#endif
 #ifdef ENABLE_BLUETOOTH
   boolean enable_bluetooth = true;
 #else
@@ -519,11 +524,17 @@ String prepareCallsign(const String& callsign){
         #endif
 
         // Determine sequence number (or 'MIC')
-        tel_sequence = preferences.getUInt(PREF_TNC_SELF_TELEMETRY_SEQ, 0);
-        // Pad to 3 digits
-        char tel_sequence_char[3];
-        sprintf_P(tel_sequence_char, "%03u", tel_sequence);
-        String tel_sequence_str = String(tel_sequence_char);
+        String tel_sequence_str;
+        if(tel_mic == 1){
+          tel_sequence_str = "MIC";
+        }else{
+          // Get the current saved telemetry sequence
+          tel_sequence = preferences.getUInt(PREF_TNC_SELF_TELEMETRY_SEQ, 0);
+          // Pad to 3 digits
+          char tel_sequence_char[3];
+          sprintf_P(tel_sequence_char, "%03u", tel_sequence);
+          tel_sequence_str = String(tel_sequence_char);
+        }
         
         String telemetryParamsNames = String(":") + Tcall_message + ":PARM.B Volt,B In,B Out,AC V,AC C";
         String telemetryUnitNames = String(":") + Tcall_message + ":UNIT.mV,mA,mA,mV,mA";
@@ -669,6 +680,12 @@ void setup(){
     }
     tel_sequence = preferences.getInt(PREF_TNC_SELF_TELEMETRY_SEQ);
 
+    if (!preferences.getBool(PREF_TNC_SELF_TELEMETRY_MIC_INIT)){
+      preferences.putBool(PREF_TNC_SELF_TELEMETRY_MIC_INIT, true);
+      preferences.putInt(PREF_TNC_SELF_TELEMETRY_MIC, tel_mic);
+    }
+    tel_mic = preferences.getInt(PREF_TNC_SELF_TELEMETRY_MIC);
+
     if (!preferences.getBool(PREF_APRS_LATITUDE_PRESET_INIT)){
       preferences.putBool(PREF_APRS_LATITUDE_PRESET_INIT, true);
       preferences.putString(PREF_APRS_LATITUDE_PRESET, LATIDUDE_PRESET);
diff --git a/src/taskWebServer.cpp b/src/taskWebServer.cpp
index 3c801da..460b0c4 100644
--- a/src/taskWebServer.cpp
+++ b/src/taskWebServer.cpp
@@ -206,6 +206,7 @@ void handle_Cfg() {
   jsonData += jsonLineFromPreferenceBool(PREF_APRS_GPS_EN);
   jsonData += jsonLineFromPreferenceBool(PREF_ENABLE_TNC_SELF_TELEMETRY);
   jsonData += jsonLineFromPreferenceInt(PREF_TNC_SELF_TELEMETRY_INTERVAL);
+  jsonData += jsonLineFromPreferenceInt(PREF_TNC_SELF_TELEMETRY_MIC);
   jsonData += jsonLineFromPreferenceBool(PREF_DEV_OL_EN);
   jsonData += jsonLineFromPreferenceBool(PREF_APRS_SHOW_CMT);
   jsonData += jsonLineFromPreferenceBool(PREF_DEV_BT_EN);
@@ -275,6 +276,9 @@ void handle_SaveAPRSCfg() {
   if (server.hasArg(PREF_TNC_SELF_TELEMETRY_INTERVAL)){
     preferences.putInt(PREF_TNC_SELF_TELEMETRY_INTERVAL, server.arg(PREF_TNC_SELF_TELEMETRY_INTERVAL).toInt());
   }
+  if (server.hasArg(PREF_TNC_SELF_TELEMETRY_MIC)){
+    preferences.putInt(PREF_TNC_SELF_TELEMETRY_MIC, server.arg(PREF_TNC_SELF_TELEMETRY_MIC).toInt());
+  }
 
   // Smart Beaconing settings 
   if (server.hasArg(PREF_APRS_FIXED_BEACON_INTERVAL_PRESET)){