diff --git a/templates/unit_detail.html b/templates/unit_detail.html
index 2958b88..92e4f80 100644
--- a/templates/unit_detail.html
+++ b/templates/unit_detail.html
@@ -179,6 +179,18 @@
                         <label class="text-sm font-medium text-gray-500 dark:text-gray-400">Hardware Model</label>
                         <p id="viewHardwareModel" class="mt-1 text-gray-900 dark:text-white font-medium">--</p>
                     </div>
+                    <div id="viewModemLoginSection" class="hidden">
+                        <label class="text-sm font-medium text-gray-500 dark:text-gray-400">Management Interface</label>
+                        <p class="mt-1">
+                            <a id="viewModemLoginLink" href="#" target="_blank"
+                                class="inline-flex items-center gap-2 text-seismo-orange hover:text-orange-600 font-medium">
+                                <span id="viewModemLoginText">--</span>
+                                <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14"></path>
+                                </svg>
+                            </a>
+                        </p>
+                    </div>
                 </div>
             </div>
 
@@ -837,6 +849,36 @@ function populateViewMode() {
     document.getElementById('viewPhoneNumber').textContent = currentUnit.phone_number || '--';
     document.getElementById('viewHardwareModel').textContent = currentUnit.hardware_model || '--';
 
+    // Modem management interface link
+    const modemLoginSection = document.getElementById('viewModemLoginSection');
+    const modemLoginLink = document.getElementById('viewModemLoginLink');
+    const modemLoginText = document.getElementById('viewModemLoginText');
+
+    if (currentUnit.ip_address && currentUnit.hardware_model) {
+        let loginUrl = '';
+        let loginLabel = '';
+
+        if (currentUnit.hardware_model === 'RV50' || currentUnit.hardware_model === 'RV55') {
+            // ACEmanager uses port 9191
+            loginUrl = `http://${currentUnit.ip_address}:9191`;
+            loginLabel = 'ACEmanager';
+        } else if (currentUnit.hardware_model === 'RX55') {
+            // AirLink uses HTTPS on port 443
+            loginUrl = `https://${currentUnit.ip_address}:443`;
+            loginLabel = 'AirLink';
+        }
+
+        if (loginUrl) {
+            modemLoginLink.href = loginUrl;
+            modemLoginText.textContent = loginLabel;
+            modemLoginSection.classList.remove('hidden');
+        } else {
+            modemLoginSection.classList.add('hidden');
+        }
+    } else {
+        modemLoginSection.classList.add('hidden');
+    }
+
     // Notes
     document.getElementById('viewNote').textContent = currentUnit.note || '--';