diff --git a/examples/meshtastic/hardware/radio.htm b/examples/meshtastic/hardware/radio.htm
index 76357c2..eb0decc 100644
--- a/examples/meshtastic/hardware/radio.htm
+++ b/examples/meshtastic/hardware/radio.htm
@@ -23,13 +23,13 @@
       <li><b>toggle switch</b> (no standby consumption)
       <li><b>antenna</b> (bendable 90°) either 868 MHz (Europe) or 915 MHz (USA) + <b>pigtail</b> (IPEX-SMA)
     </ul>
-    <p><i>Make sure both antenna and pigtail match, so they must be both <b>SMA</b>, or alternatively both <b>RP-SMA</b></i>.</p>
+    <p><small><i>Make sure both antenna and pigtail match, so they must be both <b>SMA</b>, or alternatively both <b>RP-SMA</b></i>.</small></p>
     <p>All parts above combined cost me around 50€.</p>
     <p>I used a soldering iron, a hot glue gun, a step drill bit, double sided tape.</p>
     <br>
     <h2>Antennas</h2>
     <p>
-    <i>Important: never power on your radio without a mounted antenna, this can destroy your hardware (power is reflected back to the radio).</i>
+    <i><small>Important: never power on your radio without a mounted antenna, this can destroy your hardware (power is reflected back to the radio).</small></i>
     </p>
     <p>
     A good antenna is crucial for the radio to function properly.
@@ -66,7 +66,7 @@
     The antenna needs to be in vertical position while testing, so it's best practice to build a little stand for it, so one can test without touching the circuit, which would inevitably falsify the measurements.
     </p>
     <p>
-    It's highly recommended to only trust specialized shops (mouser, RAK store) for antennas, because there is simply too much mass produced garbage out there (talking from experience).
+    It's highly recommended to only trust specialized shops (Mouser, RAK store) for antennas, because there is simply too much mass produced garbage out there (talking from experience).
     </p>
     <p>
     If an antenna is totally off when I measure it, I like to dissect it.
@@ -77,7 +77,7 @@
     <br><br><br>
     <h2>Line of Sight</h2>
     To easily find out if two places are within line of sight, you can use this
-    <br><a href="http://heywhatsthat.com/profiler.html" target="_blank">Path Profiler</a>:
+    <br><br><a href="http://heywhatsthat.com/profiler.html" target="_blank">Path Profiler</a>
     <p>
     <img src="img/line-of-sight.png" width=400>
     <br>line of sight
@@ -93,9 +93,7 @@
     <p>
     The RAK store has this nice <a href="https://store.rakwireless.com/products/unify-enclosure-ip65-100x75x38-solar?variant=42490657439942" target="_blank">enclosure</a> where there is enough space for both a 18650 battery and a RAK <a href="https://store.rakwireless.com/products/wisblock-base-board-rak19003" target="_blank">19003 Mini Board</a>.
     </p>
-    <p>
-    (The above combination is not supported by the mounting kit, so this is just a personal hack, as you can see if you zoom in on the details.)
-    </p>
+    <p><small><i>The above combination is not supported by the mounting kit, so this is just a personal hack, as you can see if you zoom in on the details.</i></small></p>
     <br>
   </body>
 </html>
diff --git a/examples/meshtastic/lisp/lora.lisp b/examples/meshtastic/lisp/lora.lisp
index ffa5ea9..af15de4 100644
--- a/examples/meshtastic/lisp/lora.lisp
+++ b/examples/meshtastic/lisp/lora.lisp
@@ -3,18 +3,21 @@
 (defvar *settings* (list :region :eu-868
                          :modem-preset :long-fast))
 
-(defvar *my-channel-name* "cl-app") ; max 12 bytes
-(defvar *my-channel*      nil)
-(defvar *channels*        nil)
-(defvar *my-node-info*    nil)
-(defvar *node-infos*      nil)
-(defvar *receiver*        nil)
-(defvar *config-lora*     nil)
-(defvar *ble-names*       nil)
-(defvar *print-json*      t)
+(defvar *channel-name* nil)
+(defvar *my-channel*   nil)
+(defvar *channels*     nil)
+(defvar *my-node-info* nil)
+(defvar *node-infos*   nil)
+(defvar *receiver*     nil)
+(defvar *config-lora*  nil)
+(defvar *ble-names*    nil)
+(defvar *print-json*   t)
 
 (defun ini ()
-  (setf *receiver* (app:setting :latest-receiver)))
+  (setf *receiver*     (app:setting :latest-receiver)
+        *channel-name* (or (app:setting :channel-name)
+                           "cl-app"))
+  (q> |text| ui:*channel-name* *channel-name*))
 
 ;;; header
 
@@ -213,9 +216,9 @@
                         (if (x:starts-with ":e" text) ; 'echo'
                             (progn
                               (setf echo-text (subseq text #.(length ":e")))
-                              (qsingle-shot 1000 (lambda () (send-message (x:cc "<b>echo:</b>" echo-text)))))
+                              (qsingle-shot 1000 (lambda () (send-message (x:cc "<b>:e</b>" echo-text)))))
                             (progn
-                              (when (x:starts-with "<b>echo:</b>" text)
+                              (when (x:starts-with "<b>:e</b>" text)
                                 (setf text (msg:echo-message text (me:from packet) (me:rx-snr packet) (me:rx-rssi packet))))
                               (msg:add-message
                                (list :receiver (my-name)
@@ -291,7 +294,7 @@
                (setf *config-complete* t)
                (q> |playing| ui:*busy* nil)
                (qlog "config-complete id: ~A" *config-id*)
-               (unless (string= *my-channel-name*
+               (unless (string= *channel-name*
                                 (me:name (me:settings *my-channel*)))
                  (qlater 'config-device))))))
     (setf *received* nil)))
@@ -347,7 +350,7 @@
   ;; channel settings for direct messages
   (set-channel (me:make-channel
                 :settings (me:make-channel-settings
-                           :name *my-channel-name*
+                           :name *channel-name*
                            :psk (to-bytes (list 1))) ; encrypted with fixed (known) key
                 :role :primary))
   (change-lora-config))
@@ -397,6 +400,25 @@
   (group:receiver-changed)
   (values))
 
+(defun edit-channel-name () ; see QML
+  (if *config-complete*
+      (app:input-dialog
+       (tr "Channel name:") 'channel-name-changed
+       :title (tr "Name")
+       :text *channel-name*
+       :max-length #.(float 12))
+      (app:message-dialog (tr "Radio not ready yet."))))
+
+(defun channel-name-changed (ok)
+  (when ok
+    (let ((name (q< |text| ui:*dialog-line-edit*)))
+      (when (and (not (x:empty-string name))
+                 (string/= name *channel-name*))
+        (setf *channel-name* name)
+        (q> |text| ui:*channel-name* *channel-name*)
+        (app:change-setting :channel-name name)
+        (config-device)))))
+
 (defun keywords (name)
   (pr:enum-keywords (ecase name
                       (:modem-preset
diff --git a/examples/meshtastic/lisp/main.lisp b/examples/meshtastic/lisp/main.lisp
index 59d1c8d..133444a 100644
--- a/examples/meshtastic/lisp/main.lisp
+++ b/examples/meshtastic/lisp/main.lisp
@@ -123,10 +123,17 @@
 (defun message-dialog (text)
   (qjs |message| ui:*dialogs* text))
 
-(defun confirm-dialog (title text callback &key from to value)
+(defun confirm-dialog (text callback)
   (qjs |confirm| ui:*dialogs*
-       title text (x:callback-name callback)
-       from to value)) ; for (optional) SpinBox
+       text (x:callback-name callback)))
+
+(defun input-dialog (label callback &key (title "")
+                     text (max-length #.(float 32767))
+                     from to value)
+  (qjs |input| ui:*dialogs*
+       title label (x:callback-name callback)
+       text max-length ; string (line edit)
+       from to value)) ; integer (spin box)
 
 ;;; backup/restore all app data
 
diff --git a/examples/meshtastic/lisp/messages.lisp b/examples/meshtastic/lisp/messages.lisp
index 6f648d2..a068210 100644
--- a/examples/meshtastic/lisp/messages.lisp
+++ b/examples/meshtastic/lisp/messages.lisp
@@ -142,8 +142,9 @@
   (values))
 
 (defun font-size-dialog ()
-  (app:confirm-dialog
-   (tr "Size") (tr "Message font size:") 'font-size-changed
+  (app:input-dialog
+   (tr "Message font size:") 'font-size-changed
+   :title (tr "Size")
    :from 10.0
    :to   48.0
    :value (float (or (app:setting :message-font-size)
diff --git a/examples/meshtastic/lisp/package.lisp b/examples/meshtastic/lisp/package.lisp
index 974994b..e1e523a 100644
--- a/examples/meshtastic/lisp/package.lisp
+++ b/examples/meshtastic/lisp/package.lisp
@@ -8,6 +8,7 @@
    #:icon-press-and-hold
    #:in-data-path
    #:ini
+   #:input-dialog
    #:load-settings
    #:message-dialog
    #:make-backup
@@ -30,6 +31,7 @@
    #:+broadcast-id+
    #:*broadcast-name*
    #:*channel*
+   #:*channel-name*
    #:*channels*
    #:*config-complete*
    #:*config-lora*
@@ -48,6 +50,7 @@
    #:change-region
    #:change-modem-preset
    #:channel-to-url
+   #:edit-channel-name
    #:get-node-config
    #:ini
    #:keywords
diff --git a/examples/meshtastic/lisp/ui-vars.lisp b/examples/meshtastic/lisp/ui-vars.lisp
index b75d4f8..e94e3b8 100644
--- a/examples/meshtastic/lisp/ui-vars.lisp
+++ b/examples/meshtastic/lisp/ui-vars.lisp
@@ -5,7 +5,9 @@
   (:export
    #:*add-manual-marker*
    #:*busy*
+   #:*channel-name*
    #:*dialogs*
+   #:*dialog-line-edit*
    #:*dialog-spin-box*
    #:*edit*
    #:*emojis*
@@ -14,6 +16,7 @@
    #:*group*
    #:*group-icon*
    #:*group-view*
+   #:*help*
    #:*hourglass*
    #:*location*
    #:*main-view*
@@ -21,6 +24,7 @@
    #:*map-loader*
    #:*map-view*
    #:*markers*
+   #:*menu*
    #:*messages*
    #:*message-view*
    #:*modem*
@@ -37,7 +41,9 @@
 
 (defparameter *add-manual-marker* "add_manual_marker")
 (defparameter *busy*              "busy")
+(defparameter *channel-name*      "channel_name")
 (defparameter *dialogs*           "dialogs")
+(defparameter *dialog-line-edit*  "dialog_line_edit")
 (defparameter *dialog-spin-box*   "dialog_spin_box")
 (defparameter *edit*              "edit")
 (defparameter *emojis*            "emojis")
@@ -46,6 +52,7 @@
 (defparameter *group*             "group")
 (defparameter *group-icon*        "group_icon")
 (defparameter *group-view*        "group_view")
+(defparameter *help*              "help")
 (defparameter *hourglass*         "hourglass")
 (defparameter *location*          "location")
 (defparameter *map*               "map")
@@ -53,6 +60,7 @@
 (defparameter *map-view*          "map_view")
 (defparameter *markers*           "markers")
 (defparameter *main-view*         "main_view")
+(defparameter *menu*              "menu")
 (defparameter *messages*          "messages")
 (defparameter *message-view*      "message_view")
 (defparameter *modem*             "modem")
diff --git a/examples/meshtastic/qml/ext/Group.qml b/examples/meshtastic/qml/ext/Group.qml
index a831525..b9489d0 100644
--- a/examples/meshtastic/qml/ext/Group.qml
+++ b/examples/meshtastic/qml/ext/Group.qml
@@ -34,6 +34,7 @@ Rectangle {
     id: view
     objectName: "group_view"
     anchors.topMargin: rowModem.height
+    anchors.bottomMargin: channel.height
     anchors.fill: parent
     anchors.margins: 9
     spacing: 9
@@ -43,6 +44,24 @@ Rectangle {
     currentIndex: -1
   }
 
+  Rectangle {
+    id: channel
+    anchors.bottom: parent.bottom
+    width: parent.width
+    height: 28
+    color: "#555"
+
+    Text {
+      objectName: "channel_name"
+      anchors.centerIn: parent
+      font.pixelSize: 16
+      font.family: fontText.name
+      font.weight: Font.DemiBold
+      color: rect.color
+      text: "cl-app"
+    }
+  }
+
   ListModel {
     id: group
     objectName: "group"
diff --git a/examples/meshtastic/qml/ext/Help.qml b/examples/meshtastic/qml/ext/Help.qml
index bd10fd7..ec7214e 100644
--- a/examples/meshtastic/qml/ext/Help.qml
+++ b/examples/meshtastic/qml/ext/Help.qml
@@ -52,14 +52,16 @@ In the rare case your radio is not found, you may restart device discovery by a
 <br>Group
 </h3>
 <p>
-Here you see the list of all persons. Every person is associated to a radio. This view is populated automatically.
+Here you can see the list of all radios using your same channel name. Every radio represents a person. This view is populated automatically.
 </p>
 <p>
 Choose 'Broadcast' (on top) to send a message to every person in the group.
 </p>
 <p>
-You can set a name to every person associated to a radio, which defaults to
-'Anonym': a press-and-hold on the name will enter edit mode.
+You can set a name to every radio/person listed here, which defaults to 'Anonym': a press-and-hold on the name will enter edit mode.
+</p>
+<p>
+In the main menu you can change your channel name (which defaults to 'cl-app'). Only radios which share the same channel name are able to exchange messages.
 </p>
 <p>
 A tap on the location item on the right shows a map with all known positions of the persons. The map is cached automatically for offline usage, which means: once you visited a place on the map, it will remain available even without internet connection.
diff --git a/examples/meshtastic/qml/ext/dialogs/Confirm.qml b/examples/meshtastic/qml/ext/dialogs/Confirm.qml
index ea5939a..65ce0ea 100644
--- a/examples/meshtastic/qml/ext/dialogs/Confirm.qml
+++ b/examples/meshtastic/qml/ext/dialogs/Confirm.qml
@@ -6,9 +6,6 @@ Dialog {
   standardButtons: Dialog.Ok | Dialog.Cancel
 
   property alias text: message.text
-  property alias from: spinBox.from
-  property alias to: spinBox.to
-  property alias value: spinBox.value
   property string callback
 
   Column {
@@ -19,14 +16,6 @@ Dialog {
       id: message
       width: parent.width
       wrapMode: Text.Wrap
-      visible: (text !== "")
-    }
-
-    SpinBox {
-      id: spinBox
-      objectName: "dialog_spin_box"
-      anchors.horizontalCenter: parent.horizontalCenter
-      visible: !!value
     }
   }
 
diff --git a/examples/meshtastic/qml/ext/dialogs/ConfirmMobile.qml b/examples/meshtastic/qml/ext/dialogs/ConfirmMobile.qml
index 116e805..67aa727 100644
--- a/examples/meshtastic/qml/ext/dialogs/ConfirmMobile.qml
+++ b/examples/meshtastic/qml/ext/dialogs/ConfirmMobile.qml
@@ -8,9 +8,6 @@ Dialog {
   standardButtons: Dialog.Ok | Dialog.Cancel
 
   property alias text: message.text
-  property alias from: spinBox.from
-  property alias to: spinBox.to
-  property alias value: spinBox.value
   property string callback
 
   Column {
@@ -22,14 +19,6 @@ Dialog {
       width: parent.width
       wrapMode: Text.Wrap
       font.pixelSize: 18
-      visible: (text !== "")
-    }
-
-    SpinBox {
-      id: spinBox
-      objectName: "dialog_spin_box"
-      anchors.horizontalCenter: parent.horizontalCenter
-      visible: !!value
     }
   }
 
diff --git a/examples/meshtastic/qml/ext/dialogs/Dialogs.qml b/examples/meshtastic/qml/ext/dialogs/Dialogs.qml
index e0ffe8a..238dac0 100644
--- a/examples/meshtastic/qml/ext/dialogs/Dialogs.qml
+++ b/examples/meshtastic/qml/ext/dialogs/Dialogs.qml
@@ -23,7 +23,7 @@ Item {
     loader.item.open()
   }
 
-  function confirm(title, text, callback, from, to, value) {
+  function confirm(text, callback) {
     loader.active = false // force reload
     if (rootItem.mobile) {
       loader.source = "ConfirmMobile.qml"
@@ -31,9 +31,25 @@ Item {
       loader.source = "Confirm.qml"
     }
     loader.active = true
-    loader.item.title = title
     loader.item.text = text
     loader.item.callback = callback
+    rootItem.showKeyboard(false)
+    loader.item.open()
+  }
+
+  function input(title, label, callback, text, maxLength, from, to, value) {
+    loader.active = false // force reload
+    if (rootItem.mobile) {
+      loader.source = "InputMobile.qml"
+    } else {
+      loader.source = "Input.qml"
+    }
+    loader.active = true
+    loader.item.title = title
+    loader.item.label = label
+    loader.item.callback = callback
+    loader.item.text = text
+    loader.item.maxLength = maxLength
     loader.item.from = from
     loader.item.to = to
     loader.item.value = value
diff --git a/examples/meshtastic/qml/ext/dialogs/Input.qml b/examples/meshtastic/qml/ext/dialogs/Input.qml
new file mode 100644
index 0000000..f6ff133
--- /dev/null
+++ b/examples/meshtastic/qml/ext/dialogs/Input.qml
@@ -0,0 +1,44 @@
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+import QtQuick.Dialogs 1.3
+
+Dialog {
+  standardButtons: Dialog.Ok | Dialog.Cancel
+
+  property alias label: label.text
+  property alias text: edit.text
+  property alias maxLength: edit.maximumLength
+  property alias from: spinBox.from
+  property alias to: spinBox.to
+  property alias value: spinBox.value
+  property string callback
+
+  Column {
+    width: parent.width
+    spacing: 5
+
+    Text {
+      id: label
+      width: parent.width
+      wrapMode: Text.Wrap
+      visible: (text !== "")
+    }
+
+    TextField {
+      id: edit
+      objectName: "dialog_line_edit"
+      width: parent.width
+      visible: !spinBox.visible
+    }
+
+    SpinBox {
+      id: spinBox
+      objectName: "dialog_spin_box"
+      anchors.horizontalCenter: parent.horizontalCenter
+      visible: !!value
+    }
+  }
+
+  onAccepted: Lisp.call(callback, true)
+  onRejected: Lisp.call(callback, false)
+}
diff --git a/examples/meshtastic/qml/ext/dialogs/InputMobile.qml b/examples/meshtastic/qml/ext/dialogs/InputMobile.qml
new file mode 100644
index 0000000..7feafc1
--- /dev/null
+++ b/examples/meshtastic/qml/ext/dialogs/InputMobile.qml
@@ -0,0 +1,47 @@
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+
+Dialog {
+  anchors.centerIn: parent
+  font.pixelSize: 18
+  modal: true
+  standardButtons: Dialog.Ok | Dialog.Cancel
+
+  property alias label: label.text
+  property alias text: edit.text
+  property alias maxLength: edit.maximumLength
+  property alias from: spinBox.from
+  property alias to: spinBox.to
+  property alias value: spinBox.value
+  property string callback
+
+  Column {
+    width: parent.width
+    spacing: 5
+
+    Text {
+      id: label
+      width: parent.width
+      wrapMode: Text.Wrap
+      font.pixelSize: 18
+      visible: (text !== "")
+    }
+
+    TextField {
+      id: edit
+      objectName: "dialog_line_edit"
+      width: parent.width
+      visible: !spinBox.visible
+    }
+
+    SpinBox {
+      id: spinBox
+      objectName: "dialog_spin_box"
+      anchors.horizontalCenter: parent.horizontalCenter
+      visible: !!value
+    }
+  }
+
+  onAccepted: Lisp.call(callback, true)
+  onRejected: Lisp.call(callback, false)
+}
diff --git a/examples/meshtastic/qml/main.qml b/examples/meshtastic/qml/main.qml
index 1335133..7e9cef9 100644
--- a/examples/meshtastic/qml/main.qml
+++ b/examples/meshtastic/qml/main.qml
@@ -23,20 +23,32 @@ Item {
 
   Menu {
     id: menu
+    objectName: "menu"
+
+    function show() { popup(0, headerHeight) }
 
     Ext.MenuItem {
+      objectName: "help"
       text: qsTr("Help")
       onTriggered: help.active ? help.item.enabled = !help.item.enabled : help.active = true
     }
 
+    Ext.MenuItem {
+      text: qsTr("Channel name...")
+      onTriggered: Lisp.call("lora:edit-channel-name")
+      enabled: (view.currentIndex === 0)
+    }
+
     Ext.MenuItem {
       text: qsTr("Message font size...")
       onTriggered: Lisp.call("msg:font-size-dialog")
+      enabled: (view.currentIndex === 1)
     }
 
     Ext.MenuItem {
       text: qsTr("Update group/nodes")
       onTriggered: Lisp.call("lora:get-node-config")
+      enabled: (view.currentIndex === 0)
     }
 
     Ext.MenuItem {
@@ -60,7 +72,7 @@ Item {
 
     MouseArea {
       anchors.fill: parent
-      onClicked: menu.popup(0, headerHeight)
+      onClicked: menu.show()
     }
   }