Channel bandwidth is kHz, not MHz (#983)

packages/web/public/i18n/locales/pt-PT/common.json

@@ -52,6 +52,7 @@
       "unknown": "Unknown hops away"
     },
     "megahertz": "MHz",
+    "kilohertz": "kHz",
     "raw": "raw",
     "meter": {
       "one": "Meter",

packages/web/public/i18n/locales/pt-PT/config.json

@@ -124,7 +124,7 @@
     "title": "Mesh Settings",
     "description": "Settings for the LoRa mesh",
     "bandwidth": {
-      "description": "Channel bandwidth in MHz",
+      "description": "Channel bandwidth in kHz",
       "label": "Largura de banda"
     },
     "boostedRxGain": {

packages/web/public/i18n/locales/pt-PT/deviceConfig.json

@@ -122,7 +122,7 @@
 		"title": "Mesh Settings",
 		"description": "Settings for the LoRa mesh",
 		"bandwidth": {
-			"description": "Channel bandwidth in MHz",
+			"description": "Channel bandwidth in kHz",
 			"label": "Largura de banda"
 		},
 		"boostedRxGain": {