diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f020645..6c78770 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -2,6 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
 
     <application
         android:name=".TrmnlDisplayMirrorApp"
diff --git a/app/src/main/java/ink/trmnl/android/data/TrmnlDisplayRepository.kt b/app/src/main/java/ink/trmnl/android/data/TrmnlDisplayRepository.kt
index 76401ff..0b11321 100644
--- a/app/src/main/java/ink/trmnl/android/data/TrmnlDisplayRepository.kt
+++ b/app/src/main/java/ink/trmnl/android/data/TrmnlDisplayRepository.kt
@@ -75,6 +75,13 @@ class TrmnlDisplayRepository
                         // TEMP FIX: Use Base64 encoding to avoid relative path issue
                         // See https://github.com/usetrmnl/trmnl-android/issues/76#issuecomment-2980018109
                         // useBase64 = trmnlDeviceConfig.type == TrmnlDeviceType.BYOS, // Disabled for now
+                        rssi =
+                            if (trmnlDeviceConfig.type == TrmnlDeviceType.BYOD) {
+                                // Send WiFi signal strength (RSSI) if available for BYOD devices only
+                                androidDeviceInfoProvider.getWifiSignalStrength()
+                            } else {
+                                null
+                            },
                     )
 
             when (result) {
diff --git a/app/src/main/java/ink/trmnl/android/network/TrmnlApiService.kt b/app/src/main/java/ink/trmnl/android/network/TrmnlApiService.kt
index f9f51a2..7b815e3 100644
--- a/app/src/main/java/ink/trmnl/android/network/TrmnlApiService.kt
+++ b/app/src/main/java/ink/trmnl/android/network/TrmnlApiService.kt
@@ -87,10 +87,13 @@ interface TrmnlApiService {
      *
      * NOTE: This API always loads the next plugin image from the playlist.
      *
+     * See [API Doc](https://docs.trmnl.com/go/private-api/screens) for additional details.
+     *
      * @param fullApiUrl The complete API URL to call
      * @param accessToken The device's API key (required)
      * @param deviceMacId The device's MAC address (optional)
      * @param useBase64 Whether to request Base64-encoded image data (optional)
+     * @param rssi WiFi signal strength in dBm (optional, -100 to 0). See https://github.com/usetrmnl/trmnl-firmware/blob/main/src/api-client/display.cpp for additional references.
      *
      * @see getCurrentDisplayData
      */
@@ -100,6 +103,7 @@ interface TrmnlApiService {
         @Header("access-token") accessToken: String,
         @Header("ID") deviceMacId: String? = null,
         @Header("BASE64") useBase64: Boolean? = null,
+        @Header("RSSI") rssi: Int? = null,
     ): ApiResult<TrmnlDisplayResponse, Unit>
 
     /**
@@ -107,6 +111,8 @@ interface TrmnlApiService {
      *
      * NOTE: This API always loads the current plugin image from the playlist.
      *
+     * See [API Doc](https://docs.trmnl.com/go/private-api/screens) for additional details.
+     *
      * @see getNextDisplayData
      */
     @GET
diff --git a/app/src/main/java/ink/trmnl/android/util/AndroidDeviceInfoProvider.kt b/app/src/main/java/ink/trmnl/android/util/AndroidDeviceInfoProvider.kt
index 933fb34..610a199 100644
--- a/app/src/main/java/ink/trmnl/android/util/AndroidDeviceInfoProvider.kt
+++ b/app/src/main/java/ink/trmnl/android/util/AndroidDeviceInfoProvider.kt
@@ -1,6 +1,7 @@
 package ink.trmnl.android.util
 
 import android.content.Context
+import android.net.wifi.WifiManager
 import android.os.BatteryManager
 import com.squareup.anvil.annotations.optional.SingleIn
 import ink.trmnl.android.di.AppScope
@@ -12,7 +13,7 @@ import javax.inject.Inject
  * Provider class for accessing Android device information.
  *
  * This class provides utility methods to retrieve device-specific information
- * such as battery level, which can be used for reporting to the TRMNL API.
+ * such as battery level and WiFi signal strength, which can be used for reporting to the TRMNL API.
  */
 @SingleIn(AppScope::class)
 class AndroidDeviceInfoProvider
@@ -36,4 +37,31 @@ class AndroidDeviceInfoProvider
                 Timber.e(e, "Failed to get battery level")
                 null
             }
+
+        /**
+         * Gets the current WiFi signal strength (RSSI) of the Android device.
+         *
+         * RSSI (Received Signal Strength Indicator) is measured in dBm and typically
+         * ranges from -100 (weakest) to 0 (strongest).
+         *
+         * @return WiFi signal strength in dBm, or null if unable to retrieve or WiFi is not connected
+         */
+        @Suppress("DEPRECATION") // WifiInfo.rssi is still the standard way to get signal strength
+        fun getWifiSignalStrength(): Int? =
+            try {
+                val wifiManager = context.applicationContext.getSystemService(Context.WIFI_SERVICE) as? WifiManager
+                val wifiInfo = wifiManager?.connectionInfo
+                val rssi = wifiInfo?.rssi
+
+                if (rssi != null && rssi != -127) { // -127 (`INVALID_RSSI`) indicates no signal
+                    Timber.i("Current WiFi signal strength (RSSI): $rssi dBm")
+                    rssi
+                } else {
+                    Timber.d("WiFi not connected or signal unavailable")
+                    null
+                }
+            } catch (e: Exception) {
+                Timber.e(e, "Failed to get WiFi signal strength")
+                null
+            }
     }