diff --git a/Somfy.cpp b/Somfy.cpp
index 81bb8fd..e37eb81 100644
--- a/Somfy.cpp
+++ b/Somfy.cpp
@@ -127,33 +127,43 @@ void somfy_frame_t::decodeFrame(byte* frame) {
     if(this->cmd == somfy_commands::RTWProto) {
       this->proto = radio_proto::RTW;
       switch(this->encKey) {
+        case 149:
         case 133:
           this->cmd = somfy_commands::My;
           break;
+        case 150:
         case 134:
           this->cmd = somfy_commands::Up;
           break;
+        case 151:
         case 135:
           this->cmd = somfy_commands::MyUp;
           break;
+        case 152:
         case 136:
           this->cmd = somfy_commands::Down;
           break;
+        case 153:
         case 137:
           this->cmd = somfy_commands::MyDown;
           break;
+        case 154:
         case 138:
           this->cmd = somfy_commands::UpDown;
           break;
+        case 155:
         case 139:
           this->cmd = somfy_commands::MyUpDown;
           break;
+        case 156:
         case 140:
           this->cmd = somfy_commands::Prog;
           break;
+        case 157:
         case 141:
           this->cmd = somfy_commands::SunFlag;
           break;
+        case 158:
         case 142:
           this->cmd = somfy_commands::Flag;
           break;
@@ -302,6 +312,44 @@ void somfy_frame_t::encodeFrame(byte *frame) {
         break;
     }
   }
+  else if(this->proto == radio_proto::RTV) {
+    frame[1] = 0xF0;
+    switch(this->cmd) {
+      case somfy_commands::My:
+        frame[0] = 149;
+        break;
+      case somfy_commands::Up:
+        frame[0] = 150;
+        break;
+      case somfy_commands::MyUp:
+        frame[0] = 151;
+        break;
+      case somfy_commands::Down:
+        frame[0] = 152;
+        break;
+      case somfy_commands::MyDown:
+        frame[0] = 153;
+        break;
+      case somfy_commands::UpDown:
+        frame[0] = 154;
+        break;
+      case somfy_commands::MyUpDown:
+        frame[0] = 155;
+        break;
+      case somfy_commands::Prog:
+        frame[0] = 156;
+        break;
+      case somfy_commands::SunFlag:
+        frame[0] = 157;
+        break;
+      case somfy_commands::Flag:
+        frame[0] = 158;
+        break;
+      default:
+        break;
+    }
+    
+  }
   else {
     switch(this->cmd) {
       case somfy_commands::StepUp:
@@ -1769,6 +1817,43 @@ bool SomfyShade::toJSON(JsonObject &obj) {
   }
   return true;
 }
+bool SomfyGroup::fromJSON(JsonObject &obj) {
+  if(obj.containsKey("name")) strlcpy(this->name, obj["name"], sizeof(this->name));
+  if(obj.containsKey("remoteAddress")) this->setRemoteAddress(obj["remoteAddress"]);
+  if(obj.containsKey("bitLength")) this->bitLength = obj["bitLength"];
+  if(obj.containsKey("proto")) this->proto = static_cast<radio_proto>(obj["proto"].as<uint8_t>());
+  if(obj.containsKey("linkedShades")) {
+    uint8_t linkedShades[SOMFY_MAX_GROUPED_SHADES];
+    memset(linkedShades, 0x00, sizeof(linkedShades));
+    JsonArray arr = obj["linkedShades"];
+    uint8_t i = 0;
+    for(uint8_t shadeId : arr) {
+      linkedShades[i++] = shadeId;
+    }
+  }
+  return true;
+}
+bool SomfyGroup::toJSON(JsonObject &obj) {
+  obj["groupId"] = this->getGroupId();
+  obj["name"] = this->name;
+  obj["remoteAddress"] = this->m_remoteAddress;
+  obj["lastRollingCode"] = this->lastRollingCode;
+  obj["bitLength"] = this->bitLength;
+  obj["proto"] = static_cast<uint8_t>(this->proto);
+  SomfyRemote::toJSON(obj);
+  JsonArray arr = obj.createNestedArray("linkedShades");
+  for(uint8_t i = 0; i < SOMFY_MAX_GROUPED_SHADES; i++) {
+    uint8_t shadeId = this->linkedShades[i];
+    if(shadeId > 0 && shadeId < 255) {
+      SomfyShade *shade = somfy.getShadeById(shadeId);
+      if(shade) {
+        JsonObject lsd = arr.createNestedObject();
+        shade->toJSON(lsd);
+      }
+    }
+  }
+  return true;
+}
 bool SomfyRemote::toJSON(JsonObject &obj) {
   //obj["remotePrefId"] = this->getRemotePrefId();
   obj["remoteAddress"] = this->getRemoteAddress();
diff --git a/Somfy.h b/Somfy.h
index 84f8380..cc9fdd7 100644
--- a/Somfy.h
+++ b/Somfy.h
@@ -2,7 +2,9 @@
 #define SOMFY_H
 
 #define SOMFY_MAX_SHADES 32
+#define SOMFY_MAX_GROUPS 16
 #define SOMFY_MAX_LINKED_REMOTES 7
+#define SOMFY_MAX_GROUPED_SHADES 32
 
 #define SECS_TO_MILLIS(x) ((x) * 1000)
 #define MINS_TO_MILLIS(x) SECS_TO_MILLIS((x) * 60)
@@ -21,7 +23,8 @@ struct appver_t {
 };
 enum class radio_proto : byte {
   RTS = 0x00,
-  RTW = 0x01
+  RTW = 0x01,
+  RTV = 0x02
 };
 enum class somfy_commands : byte {
     Unknown0 = 0x0,
@@ -260,7 +263,17 @@ class SomfyShade : public SomfyRemote {
     void clear();
     int8_t transformPosition(float fpos);
 };
-
+class SomfyGroup : public SomfyRemote {
+  protected:
+    uint8_t groupId = 255;
+  public:
+    char name[21] = "";
+    uint8_t linkedShades[SOMFY_MAX_GROUPED_SHADES];
+    void setGroupId(uint8_t id) { groupId = id; }
+    uint8_t getGroupId() { return groupId; }
+    bool fromJSON(JsonObject &obj);
+    bool toJSON(JsonObject &obj);
+};
 struct transceiver_config_t {
     bool printBuffer = false;
     bool enabled = false;
diff --git a/SomfyController.ino.esp32.bin b/SomfyController.ino.esp32.bin
index 19b1dff..e529176 100644
Binary files a/SomfyController.ino.esp32.bin and b/SomfyController.ino.esp32.bin differ
diff --git a/SomfyController.littlefs.bin b/SomfyController.littlefs.bin
index a073a60..407d5b1 100644
Binary files a/SomfyController.littlefs.bin and b/SomfyController.littlefs.bin differ
diff --git a/data/index.html b/data/index.html
index 58042fe..de259ef 100644
--- a/data/index.html
+++ b/data/index.html
@@ -221,6 +221,7 @@
                                 <select id="selShadeProto" name="proto" style="width:100%;">
                                     <option value="0">RTS</option>
                                     <option value="1">RTW</option>
+                                    <option value="2">RTV</option>
                                 </select>
                                 <label for="selShadeBitLength">Protocol</label>
                             </div>