diff --git a/Layout/NavMenu.razor b/Layout/NavMenu.razor
index 8bf5a5b..2a7c52d 100644
--- a/Layout/NavMenu.razor
+++ b/Layout/NavMenu.razor
@@ -24,6 +24,11 @@
                 <span class="bi bi-list-nested-nav-menu" aria-hidden="true"></span> Saved Points
             </NavLink>
         </div>
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="Sync">
+                <span class="bi gg-sync" aria-hidden="true"></span> Sync Data
+            </NavLink>
+        </div>
     </nav>
 </div>
 
diff --git a/Pages/PointsPage.razor b/Pages/PointsPage.razor
index 8ec450c..4187809 100644
--- a/Pages/PointsPage.razor
+++ b/Pages/PointsPage.razor
@@ -6,6 +6,7 @@
 
 @inject PointsService _PointsService
 @inject RTD8TMService _RTD8TMService
+@inject SyncService _SyncService
 @inject NavigationManager Navigator
 
 
@@ -28,7 +29,7 @@
     protected override void OnInitialized()
     {
         //_RTD8TMService.SetAddress("http://10.250.251.131/");
-        _RTD8TMService.SetAddress(Navigator.BaseUri);
+        _SyncService.SetAddress(Navigator.BaseUri);
 
     }
 
diff --git a/Pages/RTD8TMPage.razor b/Pages/RTD8TMPage.razor
index 652a0a5..af19a48 100644
--- a/Pages/RTD8TMPage.razor
+++ b/Pages/RTD8TMPage.razor
@@ -8,6 +8,7 @@
 @inject NavigationManager Navigator
 @inject RTD8TMService _RTD8TMService
 @inject PointsService _PointsService
+@inject SyncService _SyncService
 
 <PageTitle>Temperature</PageTitle>
 
@@ -104,7 +105,7 @@
     protected override void OnInitialized()
     {
         //_RTD8TMService.SetAddress("http://10.250.251.131/");
-        _RTD8TMService.SetAddress(Navigator.BaseUri);
+        _SyncService.SetAddress(Navigator.BaseUri);
         _RTD8TMService.EventUpdateValues += UpdateView;
     }
 
diff --git a/Pages/Start.razor b/Pages/Start.razor
index 9b60730..5e46ae6 100644
--- a/Pages/Start.razor
+++ b/Pages/Start.razor
@@ -2,17 +2,21 @@
 @using UI_SequentMicrosystems.Services
 
 @inject NavigationManager Navigator
-@inject RTD8TMService _RTD8TMService
+@inject SyncService _SyncService
 
 <PageTitle>Welcome</PageTitle>
 
 <div class="text-center row">
-    <div class="h6 col-3"><strong>TesDevice App V1.1</strong></div>
+    <div class="h6 col-3">TesDevice App V1.2</div>
+    <div class="col">Added Clients Synchronization</div>
+</div>
+<div class="text-center row">
+    <div class="h6 col-3">TesDevice App V1.1</div>
     <div class="col">Added Automatic points Saving, Calibration and Calculating RTDCard values change in last 3O minutes in saved points</div>
 </div>
 <div class="text-center row">
     <div class="h6 col-3">TesDevice App V1.O</div>
-    <div class="col">Firt Fully function Build --> Reading RTD cards, RTD Graph, Points Saving and exporting as csv</div>
+    <div class="col">First Fully function Build --> Reading RTD cards, RTD Graph, Points Saving and exporting as csv</div>
 </div>
 
 
@@ -24,7 +28,7 @@
     protected override void OnInitialized()
     {
         //_RTD8TMService.SetAddress("http://10.250.251.131/");
-        _RTD8TMService.SetAddress(Navigator.BaseUri);
+        _SyncService.SetAddress(Navigator.BaseUri);
 
 
 
diff --git a/Pages/SyncPage.razor b/Pages/SyncPage.razor
new file mode 100644
index 0000000..2e8ccc9
--- /dev/null
+++ b/Pages/SyncPage.razor
@@ -0,0 +1,97 @@
+@page "/Sync"
+
+@using UI_SequentMicrosystems.Services
+@using UI_SequentMicrosystems.Models
+
+@inject SyncService _SyncService
+@inject NavigationManager Navigator
+
+
+<PageTitle>Clients Sync</PageTitle>
+
+<div class="text-white h6 text-center">
+    This ClientID: <strong>@_SyncService.GetClientID()</strong>
+</div>
+
+@if (SelectedSyncClientID != null)
+{
+    <div class="row">
+        <div class="col-6">
+            <select class="form-select bg-dark text-white" aria-label="Default select example" @onchange="((x) =>
+            {
+                ClientSelected(x.Value.ToString());
+            })">
+
+                @if (SelectedSyncClientID == null && SelectedSyncClientID == "")
+                {
+                    <option selected value="-1">Select Sync Client ID</option>
+                }
+                else
+                {
+                    <option value="-1">Select Sync Client ID</option>
+                }
+
+                @foreach (string id in _SyncService.GetClientsIDs())
+                {
+                    <option value="@id">@id</option>
+                }
+            </select>
+        </div>
+
+        @if (SelectedSyncClientID != null && SelectedSyncClientID != "")
+        {
+            <div class="col-xs-12 col-md-2 align-self-center">
+                <button class="btn btn-dark text-white no-border" @onclick="(() => _SyncService.SendClientSyncRequest(SelectedSyncClientID))">Synchronize With selected Client</button>
+            </div>
+        }
+    </div>
+}
+
+
+
+
+@code {
+    private string SelectedSyncClientID { get; set; }
+
+    protected override async void OnInitialized()
+    {
+        //_RTD8TMService.SetAddress("http://10.250.251.131/");
+        _SyncService.SetAddress(Navigator.BaseUri);
+        SelectedSyncClientID = await _SyncService.GetSelectedSyncClient();
+        _SyncService.EventUpdateClientsIDs += UpdateView;
+    }
+
+
+    private async void ClientSelected(string select)
+    {
+        Console.WriteLine($"SyncPage:ClientSelected Selected ID: {select}");
+        if (select == "-1")
+        {
+            SelectedSyncClientID = "";
+            await _SyncService.SendClientSyncRequest("");
+        }
+        else
+        {
+            SelectedSyncClientID = select;
+            await _SyncService.SendClientSyncRequest(select);
+        }
+    }
+
+
+
+
+
+
+
+
+
+
+
+    public async Task UpdateView(object? o, bool b)
+    {
+        await InvokeAsync(() =>
+        {
+            StateHasChanged();
+        });
+    }
+}
diff --git a/Program.cs b/Program.cs
index 0b4a6c2..4dac534 100644
--- a/Program.cs
+++ b/Program.cs
@@ -18,6 +18,7 @@ namespace UI_SequentMicrosystems
 
             builder.Services.AddSingleton<RTD8TMService>();
             builder.Services.AddSingleton<PointsService>();
+            builder.Services.AddSingleton<SyncService>();
 
             await builder.Build().RunAsync();
         }
diff --git a/Services/PointsService.cs b/Services/PointsService.cs
index 5629664..bba366f 100644
--- a/Services/PointsService.cs
+++ b/Services/PointsService.cs
@@ -72,6 +72,22 @@ namespace UI_SequentMicrosystems.Services
             return _PointsModel;
         }
 
+        /// <summary>
+        /// Set Points (used by sync)
+        /// </summary>
+        /// <param name="points"></param>
+        public async void SetPoints(PointsModel points)
+        {
+            _PointsModel = points;
+
+            PointsCount = _PointsModel.RTD8TM.Keys.Count;
+
+            if (EventUpdateTopBar != null)
+            {
+                await EventUpdateTopBar.Invoke(this, true);
+            }
+        }
+
         /// <summary>
         /// Get points Count
         /// </summary>
diff --git a/Services/RTD8TMService.cs b/Services/RTD8TMService.cs
index d95575a..0a131a6 100644
--- a/Services/RTD8TMService.cs
+++ b/Services/RTD8TMService.cs
@@ -46,6 +46,9 @@ namespace UI_SequentMicrosystems.Services
             GetChanelsNames();
             GetValueTypes();
             GetCalibrations();
+
+
+
         }
 
         /// <summary>
@@ -435,6 +438,24 @@ namespace UI_SequentMicrosystems.Services
             return 0;
         }
 
+        /// <summary>
+        /// Get all Chart Data 
+        /// </summary>
+        /// <returns></returns>
+        public SortedList<byte, List<List<RTD8TMPointModel>>> GetAllChartData()
+        {
+            return GraphData;
+        }
+
+        /// <summary>
+        /// Set Chart Data (used by syncservice)
+        /// </summary>
+        /// <param name="data"></param>
+        public void SetChartData(SortedList<byte, List<List<RTD8TMPointModel>>> data)
+        {
+            GraphData = data;
+        }
+
         //Values Types
 
         /// <summary>
diff --git a/Services/SyncService.cs b/Services/SyncService.cs
new file mode 100644
index 0000000..228affa
--- /dev/null
+++ b/Services/SyncService.cs
@@ -0,0 +1,201 @@
+using Newtonsoft.Json;
+using UI_SequentMicrosystems.Models;
+using Wrapper_Api_SequentMicrosystems.SignalR;
+
+namespace UI_SequentMicrosystems.Services
+{
+    public class SyncService
+    {
+        private PointsService _pointsService { get; set; }
+        private RTD8TMService _RTD8TMService { get; set; }
+        private string? Address { get; set; }
+        private string ClientID { get; set; }
+        private string? SyncRequestedClientID { get; set; }
+        private Sync? SyncClient { get; set; }
+        private List<string> _SyncClients = new();
+
+        public delegate Task AsyncEventHandler<TEventArgs>(object? sender, TEventArgs? e);
+        public event AsyncEventHandler<bool>? EventUpdateClientsIDs;
+
+        public SyncService(PointsService pointsService, RTD8TMService rtD8TMService)
+        {
+            _pointsService = pointsService;
+            _RTD8TMService = rtD8TMService;
+            ClientID = CreateClientID();
+            Console.WriteLine($"SyncService:* Local Client ID: {ClientID}");
+        }
+
+        /// <summary>
+        /// Set api address
+        /// </summary>
+        /// <param name="address"></param>
+        public void SetAddress(string address)
+        {
+            if (Address == address) { return; }
+            Address = address;
+            _RTD8TMService.SetAddress(Address);
+
+
+
+            StartConnection();
+        }
+
+        /// <summary>
+        /// Create Random ClientID
+        /// </summary>
+        private string CreateClientID()
+        {
+            string id = "";
+            List<char> chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789".ToCharArray().ToList();
+            for (int i = 0; i < 4; i++)
+            {
+                id += chars[Random.Shared.Next(0, chars.Count - 1)];
+            }
+            return id;
+        }
+
+        /// <summary>
+        /// Get this ClientID 
+        /// </summary>
+        /// <returns></returns>
+        public string GetClientID()
+        {
+            return ClientID;
+        }
+
+        /// <summary>
+        /// Start connection to Server
+        /// </summary>
+        private async void StartConnection()
+        {
+            if (Address == null) { return; }
+
+            SyncClient = new(Address);
+            SyncClient.EventClientIDRequest += ClientIDRequestRequested;
+            SyncClient.EventClientsIDResponse += ClientIDRequestResponse;
+            SyncClient.EventClientSyncRequest += ClientSyncRequested;
+            SyncClient.EventClientRTD8TMChartSync += ClientRTD8TMSyncData;
+            SyncClient.EventClientPointsSync += ClientPointsyncData;
+
+            RequestClientsIds();
+        }
+
+
+        private async Task ClientIDRequestRequested(object? o, bool b)
+        {
+            if (SyncClient == null) { return; }
+
+            _SyncClients.Clear();
+
+            await SyncClient.SendClientsResponse(ClientID);
+        }
+
+#pragma warning disable CS1998 // V této asynchronní metodě chybí operátory await a spustí se synchronně.
+        private async Task ClientIDRequestResponse(object? o, string? id)
+        {
+            if (id == null || id == ClientID) { return; }
+            Console.WriteLine($"SyncService:ClientIDRequestResponse clientID: {id}");
+            _SyncClients.Add(id);
+
+            if (EventUpdateClientsIDs != null)
+            {
+                await EventUpdateClientsIDs.Invoke(this, true);
+            }
+        }
+
+        private async Task ClientSyncRequested(object? o, string? id)
+        {
+            if (SyncClient == null || id == null || id != ClientID) { return; }
+
+            await SyncClient.SendClientsPoints(ClientID, JsonConvert.SerializeObject(_pointsService.GetPoints()));
+            await SyncClient.SendClientsRTD8TMChart(ClientID, JsonConvert.SerializeObject(_RTD8TMService.GetAllChartData()));
+        }
+
+        private async Task ClientRTD8TMSyncData(object? o, string? id, string data)
+        {
+            if (data == null || id == null || id != SyncRequestedClientID) { return; }
+
+            _RTD8TMService.SetChartData(JsonConvert.DeserializeObject<SortedList<byte, List<List<RTD8TMPointModel>>>>(data));
+        }
+
+        private async Task ClientPointsyncData(object? o, string? id, string data)
+        {
+            if (data == null || id == null || id != SyncRequestedClientID) { return; }
+
+            _pointsService.SetPoints(JsonConvert.DeserializeObject<PointsModel>(data));
+        }
+
+        /// <summary>
+        /// Request Other Clients IDs
+        /// </summary>
+        public async void RequestClientsIds()
+        {
+            await SyncClient.SendClientsRequest();
+        }
+
+        /// <summary>
+        /// Get Clients IDs
+        /// </summary>
+        /// <returns></returns>
+        public List<string> GetClientsIDs()
+        {
+            Console.WriteLine($"SyncService:GetClientsIDs {JsonConvert.SerializeObject(_SyncClients.ToList())}");
+            return _SyncClients.ToList();
+        }
+
+        /// <summary>
+        /// Request Clients Sync
+        /// </summary>
+        /// <param name="ClientID">ID of client from sync requested</param>
+        /// <returns></returns>
+        public async Task SendClientSyncRequest(string ClientID)
+        {
+            if (SyncClient == null) { return; }
+            SyncRequestedClientID = ClientID;
+
+            if (SyncRequestedClientID == "")
+            {
+                return;
+            }
+
+            await SyncClient.SendClientSyncRequest(ClientID);
+
+            if (EventUpdateClientsIDs != null)
+            {
+                await EventUpdateClientsIDs.Invoke(this, true);
+            }
+        }
+
+        /// <summary>
+        /// Get selected Sync Client
+        /// </summary>
+        /// <returns></returns>
+        public async Task<string> GetSelectedSyncClient()
+        {
+            if (SyncRequestedClientID == null || SyncRequestedClientID == "")
+            {
+                return "";
+            }
+            else
+            {
+                return SyncRequestedClientID;
+            }
+        }
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+    }
+}