1 files changed, 25 insertions, 9 deletions
diff --git a/src/MTS_IO_CellularRadio.cpp b/src/MTS_IO_CellularRadio.cpp
index ce95929..fe252c0 100644
--- a/src/MTS_IO_CellularRadio.cpp
+++ b/src/MTS_IO_CellularRadio.cpp
@@ -848,16 +848,32 @@ ICellularRadio::CODE CellularRadio::getCellularMode(CELLULAR_MODES &networks) {
         printError("%s| AT+COPS Error parsing reply [AT+COPS?][%s]", getName().c_str(), cmdResult.c_str());
         return FAILURE;
     }
-    if (op == 0) {
-        networks = CELLULAR_MODE_2G;
-    } else if (op >= 2 && op <= 6) {
-        networks = CELLULAR_MODE_3G;
-    } else if (op == 7) {
-        networks = CELLULAR_MODE_4G;
-    } else {
-        printError("%s| AT+COPS unknown Radio Access Technology [AT+COPS?][%s]", getName().c_str(), cmdResult.c_str());
-        return FAILURE;
+
+    switch (op) {
+        case 0:  // GSM
+        case 1:  // GSM Compact
+        case 3:  // GSM w/EGPRS
+            networks = CELLULAR_MODE_2G;
+            break;
+
+        case 2:  // UTRAN
+        case 4:  // UTRAN w/HSDPA
+        case 5:  // UTRAN w/HSUPA
+        case 6:  // UTRAN w/HSDPA and HSUPA
+            networks = CELLULAR_MODE_3G;
+            break;
+
+        case 7:  // E-UTRAN, LTE
+        case 8:  // CAT M1, EC-GSM-IoT (A/Gb mode), LTE
+        case 9:  // NB IoT, E-UTRAN (NB-S1 mode), LTE
+            networks = CELLULAR_MODE_4G;
+            break;
+
+        default:
+            printError("%s| AT+COPS unknown Radio Access Technology [AT+COPS?][%s]", getName().c_str(), cmdResult.c_str());
+            return FAILURE;
     }
+
     return SUCCESS;
 }