diff --git a/src/main/java/com/extendedae_plus/ae/wireless/WirelessMasterLink.java b/src/main/java/com/extendedae_plus/ae/wireless/WirelessMasterLink.java
index 98a3436..b055611 100644
--- a/src/main/java/com/extendedae_plus/ae/wireless/WirelessMasterLink.java
+++ b/src/main/java/com/extendedae_plus/ae/wireless/WirelessMasterLink.java
@@ -51,7 +51,8 @@ public class WirelessMasterLink {
 
     public boolean register() {
         ServerLevel level = host.getServerLevel();
-        if (level == null || frequency == 0L || placerId == null) return false;
+        if (level == null || frequency == 0L) return false;
+        // placerId可以为null（公共收发器模式）
         boolean ok = WirelessMasterRegistry.register(level, frequency, placerId, host);
         this.registered = ok;
         return ok;
@@ -59,7 +60,8 @@ public class WirelessMasterLink {
 
     public void unregister() {
         ServerLevel level = host.getServerLevel();
-        if (!registered || level == null || frequency == 0L || placerId == null) return;
+        if (!registered || level == null || frequency == 0L) return;
+        // placerId可以为null（公共收发器模式）
         WirelessMasterRegistry.unregister(level, frequency, placerId, host);
         registered = false;
     }
diff --git a/src/main/java/com/extendedae_plus/ae/wireless/WirelessMasterRegistry.java b/src/main/java/com/extendedae_plus/ae/wireless/WirelessMasterRegistry.java
index 110d2e1..d856d98 100644
--- a/src/main/java/com/extendedae_plus/ae/wireless/WirelessMasterRegistry.java
+++ b/src/main/java/com/extendedae_plus/ae/wireless/WirelessMasterRegistry.java
@@ -17,19 +17,30 @@ import java.util.UUID;
  * 无线主端注册中心：按 维度 + 频率 + 所有者 唯一注册一个主收发器端点。
  * 从端通过本注册中心按频率查找主端，实现一对多连接。
  * 所有者隔离：有FTBTeams时同队共享，没有时每个玩家独立。
+ * 公共模式：placerId为null时使用公共UUID，所有人都能访问（向下兼容旧版本）。
  */
 public final class WirelessMasterRegistry {
     private WirelessMasterRegistry() {}
 
     private static final Map<Key, WeakReference<IWirelessEndpoint>> MASTERS = new HashMap<>();
+    
+    /**
+     * 公共收发器UUID（用于没有设置所有者的收发器）
+     * 所有placerId为null的收发器都使用这个UUID，实现公共访问
+     */
+    public static final UUID PUBLIC_NETWORK_UUID = new UUID(0, 0);
 
     public static synchronized boolean register(ServerLevel level, long frequency, @Nullable UUID placerId, IWirelessEndpoint endpoint) {
         Objects.requireNonNull(level, "level");
         Objects.requireNonNull(endpoint, "endpoint");
-        if (frequency == 0L || placerId == null) return false;
+        if (frequency == 0L) return false;
+        
+        // 获取网络所有者UUID
+        // placerId为null时使用公共UUID（向下兼容旧版本收发器）
+        UUID ownerUUID = placerId != null 
+            ? WirelessTeamUtil.getNetworkOwnerUUID(level, placerId)
+            : PUBLIC_NETWORK_UUID;
         
-        // 获取网络所有者UUID（FTBTeams队伍UUID或玩家UUID）
-        UUID ownerUUID = WirelessTeamUtil.getNetworkOwnerUUID(level, placerId);
         final Key key = new Key(useGlobal() ? null : level.dimension(), frequency, ownerUUID);
         
         cleanupIfCleared(key);
@@ -44,9 +55,12 @@ public final class WirelessMasterRegistry {
     }
 
     public static synchronized void unregister(ServerLevel level, long frequency, @Nullable UUID placerId, IWirelessEndpoint endpoint) {
-        if (frequency == 0L || level == null || placerId == null) return;
+        if (frequency == 0L || level == null) return;
+        
+        UUID ownerUUID = placerId != null 
+            ? WirelessTeamUtil.getNetworkOwnerUUID(level, placerId)
+            : PUBLIC_NETWORK_UUID;
         
-        UUID ownerUUID = WirelessTeamUtil.getNetworkOwnerUUID(level, placerId);
         final Key key = new Key(useGlobal() ? null : level.dimension(), frequency, ownerUUID);
         
         var ref = MASTERS.get(key);
@@ -59,9 +73,12 @@ public final class WirelessMasterRegistry {
     }
 
     public static synchronized IWirelessEndpoint get(ServerLevel level, long frequency, @Nullable UUID placerId) {
-        if (frequency == 0L || level == null || placerId == null) return null;
+        if (frequency == 0L || level == null) return null;
+        
+        UUID ownerUUID = placerId != null 
+            ? WirelessTeamUtil.getNetworkOwnerUUID(level, placerId)
+            : PUBLIC_NETWORK_UUID;
         
-        UUID ownerUUID = WirelessTeamUtil.getNetworkOwnerUUID(level, placerId);
         final Key key = new Key(useGlobal() ? null : level.dimension(), frequency, ownerUUID);
         
         cleanupIfCleared(key);
diff --git a/src/main/java/com/extendedae_plus/ae/wireless/WirelessSlaveLink.java b/src/main/java/com/extendedae_plus/ae/wireless/WirelessSlaveLink.java
index da1123c..c97ab58 100644
--- a/src/main/java/com/extendedae_plus/ae/wireless/WirelessSlaveLink.java
+++ b/src/main/java/com/extendedae_plus/ae/wireless/WirelessSlaveLink.java
@@ -63,11 +63,12 @@ public class WirelessSlaveLink {
             return;
         }
         final ServerLevel level = host.getServerLevel();
-        if (level == null || frequency == 0L || placerId == null) {
+        if (level == null || frequency == 0L) {
             destroyConnection();
             return;
         }
 
+        // placerId可以为null（公共收发器模式）
         IWirelessEndpoint master = WirelessMasterRegistry.get(level, frequency, placerId);
         shutdown = false;
         distance = 0.0D;
diff --git a/src/main/java/com/extendedae_plus/integration/jade/WirelessTransceiverJadePluginComponents.java b/src/main/java/com/extendedae_plus/integration/jade/WirelessTransceiverJadePluginComponents.java
index 2c06c2b..3f8f1d4 100644
--- a/src/main/java/com/extendedae_plus/integration/jade/WirelessTransceiverJadePluginComponents.java
+++ b/src/main/java/com/extendedae_plus/integration/jade/WirelessTransceiverJadePluginComponents.java
@@ -95,8 +95,8 @@ public enum WirelessTransceiverJadePluginComponents implements IBlockComponentPr
                 java.util.UUID placerId = data.getUUID("placerId");
                 tooltip.add(Component.translatable("extendedae_plus.tooltip.owner", placerId.toString().substring(0, 8) + "..."));
             } else {
-                // 没有所有者信息（旧版本存档）
-                tooltip.add(Component.translatable("extendedae_plus.tooltip.owner.unset"));
+                // 没有所有者信息（公共收发器）
+                tooltip.add(Component.translatable("extendedae_plus.tooltip.owner.public"));
             }
         }
     };
diff --git a/src/main/resources/assets/extendedae_plus/lang/en_us.json b/src/main/resources/assets/extendedae_plus/lang/en_us.json
index b52e8d2..3c8e58a 100644
--- a/src/main/resources/assets/extendedae_plus/lang/en_us.json
+++ b/src/main/resources/assets/extendedae_plus/lang/en_us.json
@@ -112,6 +112,7 @@
   
   "extendedae_plus.tooltip.owner": "Owner: %s",
   "extendedae_plus.tooltip.owner.unset": "Owner: Unset",
+  "extendedae_plus.tooltip.owner.public": "Owner: Public",
   
   "group.pattern_provider.name": "Pattern Provider",
   "group.entity_ticker.name": "Entity Accelerator",
diff --git a/src/main/resources/assets/extendedae_plus/lang/zh_cn.json b/src/main/resources/assets/extendedae_plus/lang/zh_cn.json
index af35f2e..405cb16 100644
--- a/src/main/resources/assets/extendedae_plus/lang/zh_cn.json
+++ b/src/main/resources/assets/extendedae_plus/lang/zh_cn.json
@@ -113,6 +113,7 @@
   
   "extendedae_plus.tooltip.owner": "所有者: %s",
   "extendedae_plus.tooltip.owner.unset": "所有者: 未设置",
+  "extendedae_plus.tooltip.owner.public": "所有者: 公共",
   
   "group.pattern_provider.name": "样板供应器",
   "group.entity_ticker.name": "实体加速器",